oledb excel to datatable c#

props["Provider"] = "Microsoft.Jet.OLEDB.4.0"; props["Extended Properties"] = "Excel 8.0"; props["Data Source"] = "C:\\MyExcel.xls"; CREATE TABLE [table1] (id INT, name VARCHAR, datecol DATE );", INSERT INTO [table1](id,name,datecol) VALUES(1,'AAAA','2014-01-01');", INSERT INTO [table1](id,name,datecol) VALUES(2, 'BBBB','2014-01-03');", INSERT INTO [table1](id,name,datecol) VALUES(3, 'CCCC','2014-01-03');", UPDATE [table1] SET name = 'DDDD' WHERE id = 3;", Last Visit: 31-Dec-99 19:00 Last Update: 7-Dec-22 9:00, Working with MS Excel(xls / xlsx) Using MDAC and Oledb, How To Use ADO with Excel Data from Visual Basic or VBA. Create a QueryTable object on an Excel worksheet that contains the result of a query on an ODBC or OLEDB data source. How to replace cat with bat system-wide Ubuntu 22.04, why i see more than ip for my site when i ping it from cmd. Thank you :). If a question is poorly phrased then either ask for clarification, ignore it, or. The idea in this project is each row is inserted one at a time. I am able to insert few cells using below code: C#. Step 1: Download and install EasyXLS Excel Library for .NET. Below are some of the simplified codes, for more detail and deeper explanation, please read: If you see this error: The 'Microsoft.Jet.OLEDB.4.0' provider is not registered on the local machine. Also it Loops because if the employee has more than 1 Holiday it will need to excecute the query+populating chain more than once. If you need to create the WorkSheet you would use For example for Access Connectivity Engine 2007 it would be. Asking for help, clarification, or responding to other answers. I am using OLEDB Data Provider to read excel file, but the problem is that in excel sheet some cloumn has an invalid value for example instead of number string is there, Deleting data in a linked table is not supported by this ISAM. 516), Help us identify new roles for community members, Help needed: a call for volunteer reviewers for the Staging Ground beta test, 2022 Community Moderator Election Results, Displaying the data between two datetimepicker,. With your scalar approach, there is nothing in query that differentiates "first" row from a second or third one. Do Spline Models Have The Same Properties Of Standard Regression Models? I added the rest of my code to show the queries and process. https://skydrive.live.com/redir?resid=A3D5A9A9A28080D1!238&authkey=!AHRpxDm22lLWl9g, Also check out thefollowing Code Project article for working with Excel in C and VB.NET, http://www.codeproject.com/Articles/37055/Working-with-MS-Excel-xls-xlsx-Using-MDAC-and-Oled. What mechanisms exist for terminating the US constitution? Comments and suggestions are always welcome, This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL), Read write Excel file without interop using OLEDB in C#. Add " Microsoft.Office.Interpol.Excel " references to your project, basically, it is the .DLL file located at C:\Program Files (x86)\Microsoft Visual Studio 12.0\Visual Studio Tools for Office\PIA\Office15. Excel 3 Excel.Application OleDB HTML Tabel 1Excel.Application Excel.dll . I have installed "Microsoft Access DataBase Engine redistributable 2010". Listing 2. All contents are copyright of their authors. Get DataTable from MS Access using OleDb object lib. Use Ctrl+Left/Right to switch messages, Ctrl+Up/Down to switch threads, Ctrl+Shift+Left/Right to switch pages. I'm trying to populate a DataTable with details of an selected Employee's Holiday from a Access Database Table of all Employee's Holidays. #importExcelToDatagridview, #importExcelToDatatableInc#how to import excel file to datagridview in c# windows application- c# import excel to datagridview- i. .xls (Excel 97-2003) . This is the connection String I have used: OleDbConnection objConn = new OleDbConnection (@"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + FileName + ";Extended Properties='Excel 12.0;HDR=YES;IMEX=1;';") Therefore, the datatable can not have the type system.string. I am going to tackle the routine export as a separate task but right now I am having trouble setting up the OLE DB part. <# .NOTES ===== Created with: SAPIEN Technologies, Inc., PowerShell Studio 2014 v4.1.75 Created on: 3/25/2015 3:59 PM Created by: James Vierra Organization: Designed Systems & Services Filename: ===== .DESCRIPTION This uses an OleDb connection through teithe rJet or ACE to update items in an Excel sheet A description of the file. Connect EXCEL sheet with OLEDB using connection string, if the File extension is .XLS using below connection string, In following sample 'szFilePath' is the variable for filePath, Provider=Microsoft.Jet.OLEDB.4.0; Welcome to the Blue Prism RPA Product Community! Add header in Excel While import datatable to excel. c#excelword:c#excelOleDbExcelDataTable . So is there any way to read this invalid value? Sure, I will just try OLEDB, but that may cause the format and setting being forbidden. Provider=Microsoft.ACE.OLEDB.12.0;Data Source={0};Extended Properties='Excel 12.0 Xml;HDR=YES'; ACE OLEDB 12.0 Office 2007. Below is the section of my code where it iterates a loop for the number of holidays the selected employee has in [Holiday]. If a question is poorly phrased then either ask for clarification, ignore it, or. Disassembling IKEA furniturehow can I deal with broken dowels? IMEX=1 does not affect this. Hi, thanks RonalP. This activity takes the filepath, sheet name and range of the Excel file as the inputs and converts the data with its format into . for XLSX file; Data Source is the file path of Excel file to be read; Connection string also contains 'Extended Properties' like Excel driver version, HDR Yes/No if source Excel file contains first row as header Output the length of (the length plus a message). OLEDB is faster in performance than Interop object, as No EXCEL object is created. A particle on a ring has quantised energy levels - or does it? This tutorial demonstrates how to load excel file into DataTable C# object via OleDb library Oh I commented above before seeing this :) Glad I could help. The question, if unclear, is how to tell the program to not select a Line it has already selected? Add the mentioned namespace given below. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Want to Read both XLS and XLSX format? This OleDb solution can be a dangerous one. Pertinent to your case, it doesn't look like the right SQL SELECT query to do the job. Please read through and be sure you understand where I need help before posting an answer or comment. Here we will try to load Excel sheet data into the datatable using Jet engine. We know EXCEL Interop application can also be used to complete this task, but there are several advantages against INTEROP/COM object, see the below points: There are always two sides of the coin. IMEX=1 still needs to be included. How to Resolve: If your application is Desktop based, compile your EXE with x86 CPU. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. In the case of tabular data, a data set corresponds to one or more database tables, where every column of a table represents a particular variable, and each row corresponds to a given record of the data set in question. A more detailed article on this subject is available at, If you running 64 bit of Windows, change the target platform of build to x86, or, The Engine should be installed by default, but in case it is not, manually download. spelling and grammar. How to insert data to Excel file using OLEDB In the previous examples we used Microsoft Excel 12.0 Object Libraryfor read or write to and Excel file . It doesnt seem like my dataset is getting any data so it wont copy to the excell file. GridViewXYZ.DataSource = dataset; If you try to Delete rows from EXCEL sheet, it gives you such exception. For read the content from an Excel file using ADO.NET , We can use the SELECT command like in SQL Operations. Making statements based on opinion; back them up with references or personal experience. Don't tell someone to read the manual. Provide an answer or move on to the next question. No issue, i want to set it dynamically via a datatable, refer this for exporting datatable to excel, This If this is the case you will need to explain what ExcelLibrary is. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. You can also use several methods that do not necessarily require Automation to transfer data to Excel. For solving the problem, I recommend that you used another method to convert excel to datatable without the above problem. DataTable dtExcelRecords = objExcel.GetDataTableFromExcel(@"D:\StudentRecords.xls"); if (dtExcelRecords != null && dtExcelRecords.Rows.Count > 0), foreach (DataColumn dc in dtExcelRecords.Columns), foreach (DataRow dr in dtExcelRecords.Rows). Moving the content here. DataColumnCollectioncolumns=importdt.Columns; (! There are many ways available to convert excel file to DataTable, I found OLEDB is best way to convert excel file to DataTable. getting data from Excel. The code in the first link is using Interop to update an Excel file and the second link is using OleDb.You shouldn't really mix the two. 516), Help us identify new roles for community members, Help needed: a call for volunteer reviewers for the Staging Ground beta test, 2022 Community Moderator Election Results. f. Excel 3 . Not the answer you're looking for? Is it safe to enter the consulate/embassy of the country I escaped from as a refugee? C# using Syncfusion.XlsIO; using System.Data; Where we can view data of table in project ?? In view, one file upload field with a upload button will be there. This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL). To learn more, see our tips on writing great answers. Cause: As we have already discussed, OLEDB does not support DELETE operation. What is the best way to learn cooking for a student? Why is Julia in Cyrillic regularly transcribed as Yulia in English? You need to pass Excel file path and it will return DataTable. On click of Upload button,uploadFCReward() method will be invoked. httpWebRequest Download and parse excel file? email is in use. I would prefer using Linq for something like this. 20 Bay Street, 11th Floor Toronto, Ontario, Canada M5J 2N8 Cheers for the advice pal, problem is I've written almost all the code for this project in C#, also my boss requested I do it in C#. ", " + szFilePath + I find that the problem is that the converted datatable will the datatype System.Double after we use OLEDB to read the excel. I have been a member for quite a few years now and have never seen such a childish response. Not the answer you're looking for? If you can use an open source solution, try ExcelDataReader: This DataTables and Excel Automation with Studio Course Agenda. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Using sheet name: With the help of sheet name, you can refer to Excel data, you need to use '. This is the connection String I have used: This function will convert excel file to DataTable. I'm using the above code to retrieve the sheet names from and xlsx file but I'm only getting the sheet names once and they all have the "$" appended to them. using (oledbconnection conn = new oledbconnection ()) { datatable dt = new datatable (); conn.connectionstring = "provider=microsoft.ace.oledb.12.0;data source=" + path + ";extended properties='excel 12.0 xml;hdr=yes;imex=1;maxscanrows=0'"; using (oledbcommand comm = new oledbcommand ()) { comm.commandtext = "select * from [" + sheetname + Rows and columns of Excel sheet can be directly imported to data-set using OLEDB, no need to open Excel file using INTROP EXCEL object. System.Runtime.InteropServices.COMException: The article offers a solution, have a view. My issue was when selecting multiple Values in 1 query is I didn't know how to manage them. If your application is web based, then Enable '32-Bit Applications' in application pool. Provide an answer or move on to the next question. Are you looking for a way to Read/Write Excel file without Interop com? (provider=Microsoft.Jet.OLEDB.4.0;Data Source='Your Filename';Extended Properties=Excel 8.0;) try . What is IMEX within OLEDB connection strings? Solving a degree-6 Diophantine inequality. Step 1: Create a new C# console application project. There are a couple of ways to refer to an Excel table: ** Here $ indicates the EXCEL table/sheet already exists in workbook, if you want to create a New workbook/sheet, then do not use $, look at the sample below: Cause: The exception occurs when we run our code on 64Bit machine. for above screenshot when i read value john getting empty string. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Enter your email address to follow this blog and receive notifications of new posts by email. Why is integer factoring hard while determining whether an integer is prime easy? This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL), General News Suggestion Question Bug Answer Joke Praise Rant Admin. Please remember to mark the replies as answers if they help and unmark them if they provide no help, this will help others who are looking for solutions to the same or similar problem. Thanks Alex. adapter.Fill(dataset); Understand that English isn't everyone's first language so be lenient of bad No need to argue, just better explain your needs and get better help. After connection to EXCEL file, we need to fire Query to retrieve records from sheet1. OleDbCommand cmd = new OleDbCommand(strSQL, conn); How to create a DataTable in C# and how to add rows? Console.Write(item.ToString() + " "); public DataTable GetDataTableFromExcel(string filePath). Find centralized, trusted content and collaborate around the technologies you use most. Connect and share knowledge within a single location that is structured and easy to search. But i dont have any clue how to proceed. When I import Excel, an extra row is added in database by C#. Has something changed to make this consistent behavior or am I missing something? Getting this data into a local datatable first, provides an iterable structure at least. How to read .xlsx and .xls files using C# and OleDbConnection? Author, Blogger, contributor and passionate about Microsoft .NET technologies. string strSQL = ". You don't really need here OleDbDataAdapter, in this case (in case you need to read data from worksheet) you can just read from Excel into 2 dimentional array (1st dimension is rows and second dimension is columns): object[,] data = ws.UsedRange.Value2; // change UsedRange range to your table range, and you can also use ws.UsedRange.FormulaR1C1 The following connection strings will lose A5341. Josh, I can assure you I have read your original question and the edits :) In my answer, I actually show you why your's doesn't work, did you miss it? Please help me. Here we will try to load Excel sheet data into the datatable using Jet engine. Asking for help, clarification, or responding to other answers. I want to transfer data in data table to excel in c# using Oledb provider. Depending on worksheet formatting, some cell values may not be loaded. This blog explains inserting data in Excel, using OLEDB in Windows Application, using C#. iv included my code that im using at the moment: I assume the following is the problem code as your title indicates exporting to Excel not Thanks for contributing an answer to Stack Overflow! You need to set value for TypeGuessRows Registry key to 0, this way driver will set data type based on all column values instead of first 8 (default). reading excel with oledb not displaying correct values. Step 2. The Excel library is is (dll). Why is Artemis 1 swinging well out of the plane of the moon's orbit on its return to Earth? And Linq is part of C# itself :) Means Language INtegrated Query - IOW query language built into C# itself. @Josh, please, he is trying to help. Do mRNA Vaccines tend to work only for a short period of time? Using SQL function with datatable results, OleDbCommand select does not return expected rows, Compare input double with datatable string column values within a range using between query(SQL query to Linq on datatable c# ), Linq Datatable subset using group by and having count >1. sql = "select * from [Sheet1$]" Here is the sample Excel file . fileData.append(files[i].name,files[i]); '@Url.Action("UploadRewardsMembership","Admin")'. First a slight (incomplete) revision to your code: Basically, what I mean, instead of executing a scalar per field, do a single call to your database. In addition, you can: automatically detect column types; use the first row as column headers; ignore the first column;. Using this method I shall adapt my code and hopefully reach the conclusion I wanted. (columns.Count==9&&columns.Contains(, fCReward.Expiration=Convert.ToDateTime(importdt.Rows[i][. Just execute the program and enter the textbox value, click the Add button and you will see the result, as shown below. using System.Data.OleDb; That is why I apply "Interop" here. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. It also shows its being written to the table in the format I desired. To learn more, see our tips on writing great answers. Learn more about bidirectional Unicode characters, https://www.youtube.com/watch?v=PLUW8fOrkzQ. Step 2: Create method like to initialize oledb connection string. When I read this invalid value I get an empty string instead of actual value. When you use ExecuteScalar, even if the query should return multiple rows and columns, you are explicitly asking for the first row's leftmost column data. Transfer data to the clipboard, and then paste the clipboard contents into an Excel worksheet. Thank you posting this article, it is very helpful for someone to get started on OLEDB and do not want to use interop on azure app service. Hi there, I am Prasad. I am trying to run a query then export the result back to an Excel file on a regular basis. A particle on a ring has quantised energy levels - or does it? This method will return, the number of records inserted into the DB. Why does the autocompletion in TeXShop put ? It's as if you saw the Title of the question but that's as far as you got. to read an excel file using console application c#, Re: to read an excel file using console application c#. Visit Microsoft Q&A to post new questions. ; Required fields are marked *. Do you need your, CodeProject, Exporting DataTable to Excell file using OLEDB connection . I am having table named xyz with the colums of (Mark1, Mark2, Student) and this table will have some set of values. Provider is OLEDB provider for Excel file, e.g., Jet.OLEDB.4. To download the trial version of EasyXLS Excel Library, press the below button: If you already own a license key, you may login and download EasyXLS from your account. Find centralized, trusted content and collaborate around the technologies you use most. There are many ways available to convert excel file to DataTable, I found this is the best approach to do so. Can LEGO City Powered Up trains be automated? For thins to work you need to install the 2007 Office System Driver: Data Connectivity Components, right? What do bi/tri color LEDs look like when switched at high speed? Making statements based on opinion; back them up with references or personal experience. Open a single worksheet (single tab) from a huge excel file on a web browser using c# asp.net / MVC. oledbexcelsqlserversqlbcpSystem.Data.SqlClient.SqlBulkCopy Much appreciated. The content must be between 30 and 50000 characters. Install NuGet package Step 3: Include the following namespaces in the Program.cs file. What you are looking is DataTable.Load( cmd.ExecuteReader() ) or adapter.Fill( datatable ). That is what I thought too :) Except for a slight local processing. How to use session in linq C# to export data in excel format? void InitializeOledbConnection (string filename, string extrn) { string connString = ""; if (extrn == ".xls") //Connectionstring for excel v8.0 Here is a Linq code querying some data from sample Northwind (using IQToolkit from codeplex) - this is all the code you need including Form and DataGridView: To get the DataTable from MS Access Database, use the following sample code snippet: Listing 1. 6/6. How to export data table to excel in c# using Oledb? I wish to store it in data tables? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. What factors led to Disney retconning Star Wars Legends in favor of the new Disney Canon? Module Module1 Sub Main() Dim SaveColor As System.ConsoleColor = Console.ForegroundColor Dim dt As New DataTable Dim FileName As String = IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "SampleData.xlsx") Using cn As New OleDb.OleDbConnection With { .ConnectionString = ConnectionHelper.ConnectionString(FileName) } Console.WriteLine(cn . My excel keeps changing the sheet name always. driver need to install on server machine. Is there precedent for Supreme Court justices recusing themselves from cases when they have strong ties to groups with strong opinions on the case? It should have specific address to read, e.g. There are many ways available to convert excel file to DataTable, I found this is the best approach to do so. I was wondering if there is a better way of doing this and overcoming this problem? +1 (416) 849-8900. string connStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + filelocation + ";Extended Properties=\"Excel 8.0;HDR=Yes;IMEX=2\""; provider=Microsoft.Jet.OLEDB.4.0;Data Source=", Insert into [Sheet1$] (EMPLOYEE_ID,ADDRESS1) values('5','e')". Should you need to get just a scalar value, use the following method in Listing 2. I need to export data from sql table to excel by using query. If you use the OpenXML SDK then you're not tied to Excel binaries or drivers. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Edit 2 Please Read: This is a Very specific question, since the code runs fine, it just doesn't work the way I'd have hoped. In above code '[Sheet1$]' is the first sheet name with '$' as default selector, with the help of data adaptor we can load records in dataset, Insert into [Sheet1$] (month,mango,apple,orange) This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. Challenges of a small company working with an external dev team from another country, Cannot `cd` to E: drive using Windows CMD command line. 4. Chances are they have and don't get it. exporting excel datas as it is in excel to sql using c#, Export data from gridview to excel problem. 1 2 3 using ExcelApp = Microsoft.Office.Interop.Excel; Step 3: Creating COM object referances and DataTable 1 2 3 4 5 6 //Create COM Objects. to be working so i will try another way and look at the links thanks. How to: Get Data from Multiple Workbooks using One OleDbConnection? https://skydrive.live.com/redir?resid=A3D5A9A9A28080D1!238&authkey=!AHRpxDm22lLWl9g Also check out the following Code Project article for working with Excel in C and VB.NET rev2022.12.7.43083. DataSet dataset = new DataSet(); How to import a Excel File into DataTable in C# without using OLEDB, How to import large excel file in datatable, Import Excel to Datatable in asp.net using c#. Note :This post is first published on Apr-2013 in my previous blog Techkindle. Problems of reading Excel 2003 using Oledb, C# Excel file import to GridView causes OleDB Error, System.Data.OleDb.OleDbException invalid argument, oledb connection string for Excel 2016 in C#. First, We need to Download and install the AccessDatabaseEngine exe from the microsoft website. If you need to create the WorkSheet you would use SQL create table in a OleDb command. Is there an alternative of WSL for Ubuntu? GridViewXYZ.DataBind(); The content must be between 30 and 50000 characters. The MAXSCANROWS=0 overrides the registry default and scans all rows before determining types. All contents are copyright of their authors. I'm a novice programmer/coder. You cannot perform any mathematical operation or working on graphs using OLEDB, but it is really a good way to insert/update data in EXCEL where no Excel application is installed. First, We need to Download and install the AccessDatabaseEngine exe from the microsoft website. Connect and share knowledge within a single location that is structured and easy to search. 2022 C# Corner. Thanks for contributing an answer to Stack Overflow! SELECT * FROM [Sheet1$] AS A INNER JOIN [Orders$] IN'C:\Users\reddy\Desktop\Orders.xlsx' 'Excel 8.0;' AS B ON A.ContactName = B.ContactName; : , . Open the connection using OLEDB Provider. where strCN is the connection string and strSQL is your SELECT query.You can call this method and pass various SQL queries as a parameter. Insert DataTable into Excel Using Microsoft Access Database Engine via OleDb Insert DataTable into Excel Using Microsoft Access Database Engine via OleDb c#exceloledb 23,671 Here is a static classI have constructed by amalgamating various pieces of code I have either found or developed. Step 2: Create a C# or VB.NET project. Sample code for reading and writing Excel documents using OLEDB. Do you need your, CodeProject, Now, in my scenario, I am just going to enter four textbox values into an Excel, so I have created four textboxes with label names and one DataGridView to display the entered items, as shown below. You can check out the following VB.NET project which should be easy enough to understand concept-wise to use in C Sharp. What if date on recommendation letter is wrong? SQL create table in a OleDb command. "Provider=Microsoft.ACE.OLEDB.12.0;DataSource=", ";ExtendedProperties='Excel12.0;HDR=YES;IMEX=1;';", You need to pass Excel file path and it will return. There are many ways available to convert excel file to DataTable, I found OLEDB is best way to convert excel file to DataTable. 20 Bay Street, 11th Floor Toronto, Ontario, Canada M5J 2N8 2022 C# Corner. @Html.LabelFor(model=>model.FileModel.files,htmlAttributes: @Html.TextBoxFor(model=>model.FileModel.files. Get scalar value from MS Access using OleDb object lib. Learn more about bidirectional Unicode characters, .NET and Sitecore Consultant Changing the style of a line that connects two nodes in tikz. Thanks for the reply, the links are useful and i will review them more. use oledb to read the xlsx file store in dataset using OleDbAdapter (Fill () method) bulk insert Here is the code that I used to do this (change the connection string): Stopwatch s = new Stopwatch (); s.Start (); string sSheetName = null; string sConnection = null; System.Data.DataTable sheetData = new System.Data.DataTable (); Step 2: Given this the using alias of Excel. ", " + szFilePath + Create a website or blog at WordPress.com, Program to Add two 50 digit numbers in C#. Using Range: We can use Range to read Excel tables. Before we begin, let us check the following prerequisites. For example: Ben has 3 holidays, but the table will populate his first Holiday on 3 lines. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, I think you can accomplish the same thing by setting. Then form the UploadRewardsMembership method, you can call the repository method InsertFCReward() to insert the data to the database. Microsoft.ACE.OLEDB.12. excel to datatable; how to export data to excel in c# with data table; excel datatable; how to write datatable to excel in c# using epplus; datatables excel export number as text; code to export jquery datatable to excel in mvc; convert excel to datatable without xml configuration; laravel export table to excel; how to export html table to excel By using entity frame work, you can push the data to the data base. Understand that English isn't everyone's first language so be lenient of bad This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. Step 1. I have been using this solution for years and all of a sudden I am having an issue with dates. @Josh - yours are the most unpleasant comments I have seen on StackOverflow. Creating a datatable from this data or directly from source, would be easier in one shot, using Linq as I originally said (with Linq it is IQueryable instead of DataTable, but might do with DataTable as well). There are many ways available to convert excel file to DataTable, I found this is the best approach to do so. DataTabledt=objConn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables. This could do with a bit more detail on how and why; not everyone is able to figure it out just from reading the code. At the moment, using queries, my code counts how many Holidays are in the Database's [Holiday] Table that have the PayrollNo of the selected Employee. My assumption is I'll have to either Iterate though the [Holiday] Datatable itself, or create another DataTable in the code to store all the associated lines before extracting the details for the displayed table from there. See this topic, Reading excel file using OLEDB Data Provider, The blockchain tech to build in a crypto winter (Ep. Step 1: For importing Excel to DataTable with Interop ,we have to references Excel namespace to the project. debugexcelcontr "Provider=Microsoft.Jet.OLEDB.4.0; Data Source=\\server\\Projects\\Project1\\Test.xls; Extended Properties=\"Excel 8.0;HDR=Yes; MultipleActiveResultSets=True\";" excelCreateCmd.Connection.DataSource returns "\\server\\Projects\\Project1\\Test.xls" 'C:\server\Projects\Project1\Test.xls' The idea in this project is each row is inserted one at a time. reader=ExcelReaderFactory.CreateBinaryReader(stream); reader=ExcelReaderFactory.CreateOpenXmlReader(stream); ViewBag.FCRewardMessage=fileBase.FileName+. private sub readexcelfile ( byref objdt as datatable, byval strfilepath as string ) dim excelcon as new oledbconnection dim exceladp as oledbdataadapter dim excelcomm as oledbcommand dim col1 as datacolumn try excelcon.connectionstring = "provider=microsoft.jet.oledb.4.0;" & _ "data source= " & strfilepath & _ ";extended properties=""excel connectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + filePath + ";Extended Properties=\"Excel 12.0;HDR=Yes;IMEX=2\""; OleDbConnection objOleDbConnection = new OleDbConnection(connectionString); OleDbCommand objOleDbCommand = new OleDbCommand(); objOleDbCommand.CommandType = System.Data.CommandType.Text; objOleDbCommand.Connection = objOleDbConnection; OleDbDataAdapter dAdapter = new OleDbDataAdapter(objOleDbCommand); DataTable dtExcelRecords = new DataTable(); DataTable dtExcelSheetName = objOleDbConnection.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null); string getExcelSheetName = dtExcelSheetName.Rows[0]["Table_Name"].ToString(); objOleDbCommand.CommandText = "SELECT * FROM [" + getExcelSheetName + "]"; dAdapter.SelectCommand = objOleDbCommand. How do I create an Excel (.XLS and .XLSX) file in C# without installing Microsoft Office? The Engine should be installed by default, but in case it is not, manually download Microsoft Access Database Engine 2010 Redistributable, choose the correct build (x86 or x64) and install it. +1 (416) 849-8900, Provider=Microsoft.ACE.OLEDB.12.0;Data Source=D:\myOrder1.xlsx;Extended Properties=", ; is for XLS file and ACE.OLEDB.12. Thanks dude, i was looking for the same thing .. THumbs Up, Thank you for your solution which just saved my life~~. No Excel installation is needed when we need to Read/Write Excel using OLEDB. This post shows a useful technique to convert Excel file data to a DataTable. c#/.NET - selecting rows from a datatable using DateTime. OleDbConnection conn = new OleDbConnection(connstr); Before start Reading/Writing from/in Excel file, we need to connect to OLEDB using connection string, here OLEDB will act as Bridge between your program and EXCEL. "', if the File extension is .XLSX using below connection string, Provider=Microsoft.ACE.OLEDB.12.0; Does an Antimagic Field suppress the ability score increases granted by the Manual or Tome magic items? Your code sounds to be unnecessarily looping on the same data N times. I like to write an articles/blogs on different .NET aspects and like to help Developers, to resolve their issues and boost them on Microsoft Technologies. Import excel header data in a drop down in .net, C# WinForm Excel check empty sheets function-works but too slow(15 sheets 30 seconds), Importing Excel spreadsheet into DataGridView and completing search. Save my name, email, and website in this browser for the next time I comment. Can LEGO City Powered Up trains be automated? Is there any other chance for looking to the paper after rejection? rev2022.12.7.43083. In C# without using Excel Object we can insert , edit , delete , select etc. I have a huge collection of sales information in Excel files. Microsoft Jet Database Engine Programmer's Guide - Introduction, Microsoft Access Database Engine 2010 Redistributable, Is there a way to read worksheet based on position, Can u provide me JAVA code for Extracting Excel data and store it in SQL server using OLEDB 12.0. This forum has migrated to Microsoft Q&A. private datatable getdatatable (string strcn, string strsql) { try { using (oledbconnection _conn = new oledbconnection (strcn)) { using (oledbcommand _command = new oledbcommand ()) { _command.commandtype = commandtype.text; _command.connection = _conn; _command.commandtext = strsql; _conn.open (); using (oledbdatareader _dr = How to export data table to excel in c# using Oledb? i wont to export selected data from my datagrid view to an excel sheet but my dataset doesn't seem How to read .xlsx and .xls files using C# and OleDbConnection? @DougGlancy from what I remember there was a problem with this approach, but it's definitely worth a try and if it works, it's better than Registry editing. Chances are they have and don't get it. Your email address will not be published. By the way, you do not need Jet to read XLS files, ACE is perfectly capable of this as well. "'. I don't know quite much about VB you can follow this following link as well. 10 SEO Tips For Technical Writers And Software Developers. for that i am using following coding. Then read this article - it will really help you Read or Write Excel files using OLEDB. I am trying to use the OLEDB.12.0 connection and keep getting an error when creating the table: I frequently use ADO.net to read Excel files and occasionally use it to export to Excel as well. Do mRNA Vaccines tend to work only for a short period of time? Write a number as a sum of Fibonacci numbers, Logger that writes to text file with std::vformat, Challenges of a small company working with an external dev team from another country. @Html.ValidationMessageFor(model=>model.FileModel.files, 10 SEO Tips For Technical Writers And Software Developers, Read CSV file and Get Record in DataTable using TextFieldParser in C#, Replace SharePoint Item Level Permissions Using Power Automate, How To Create A Full-Width Section In A SharePoint Online Page, Get All The Options From The Option Set Using Power Automate, How To Send Birthday Or Work Anniversary Email Using Power Automate, Intellisense In Javascript Test Automation frameworks. like in above code there is Insert into $Sheet1 so where we can see if data is added in db or not, How can we see this, Please let me know that how to check is data is going to be in database or not?? I don't recommend updating an existing Excel file. Write a number as a sum of Fibonacci numbers. Do I need to replace 14-Gauge Wire on 20-Amp Circuit? Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. connectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + filePath + ";Extended Properties=\"Excel 8.0;HDR=Yes;IMEX=2\""; else if (fileExtension.ToLower() == "xlsx"). If you want to host in server, OLEDB driver need to install on server machine. VALUES ('DEC','40','60','80');", UPDATE [Sheet1$] SET month = 'DEC' WHERE apple = 74;". sample Select sql. Fastest way to read an Excel Sheet into a DataTable "Data type mismatch in criteria expression". Whether you're looking to manage a complex infrastructure, maintain security and compliance, bring new products to market faster, or gain operational speed and agility in an uncertain economy, Blue Prism delivers with the flexibility you need to create the business you want. do we have any option to provide a sheet position rather that ['SheetName$']? Can I cover an outlet with printed plates? Here is steps to read all the records to datatable Step 1: Create a oledb connection,command and adapter fields. In your controller, you can add an action method UploadRewardsMembership (), which will read the excel file and convert the content into a data table. Is it viable to have a school for warriors or assassins that pits students against each other in lethal combat? ie: For payrollNo 5 assume there are 3 holiday entries: with your queries, that only use PayrollNo as a criteria, you would always be getting the values from the first row (Jan 22, 2016 for startDate for example). Instead you would create a single select and populate the data in one go. using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; usin The location of the key differs from version to version of driver, you can easily Google it based on your specific version. Any help or advice would be greatly appreciated. View all posts by Gopikrishna Gujjula, Your email address will not be published. How to apply template on excel file exported using oledb ? I have gone through OLEDB, it performs very well for reading and writing Excel files. c# - Insert DataTable into Excel Using Microsoft Access Database Engine via OleDb - Stack Overflow. Find more about Getting Started with EasyXLS. usingExcel=Microsoft.Office.Interop.Excel; stringfilename=System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location)+, //ConnectionString//HereiamusingHDR=YESwhichmeansexcelfirstrowconsiderasheader, "DataSource={0};ExtendedProperties='Excel12.0;HDR=YES;IMEX=0;READONLY=FALSE'", //InsertthetextboxvaluetotheexcelusinginsertQuery, "VALUES(@value1,@value2,@value3,@values4)", //GettheenteredvalueusingOleDbAdapter, //FinallydisplaytheenteredItemusingdataGriedView, 10 SEO Tips For Technical Writers And Software Developers, How To Add Pictures Or Images In Excel Sheet Using EPPlus .NET Application (C#) - Part Five, Replace SharePoint Item Level Permissions Using Power Automate, How To Create A Full-Width Section In A SharePoint Online Page, Get All The Options From The Option Set Using Power Automate, How To Send Birthday Or Work Anniversary Email Using Power Automate, Intellisense In Javascript Test Automation frameworks. Create a new C# console application Step 2: Install Syncfusion.XlsIO.WinForms NuGet package as a reference to your .NET Framework applications from the NuGet.org. 2022 C# Corner. What I want to be able to do seems quite simple; to have the table populated with all 3 of Ben's Holidays, not just his first. Im trying to export my datatable to an excel.xlsx file. spelling and grammar. admin.RewardMemberships=GetRewardsMembershipDetails(admin.Page); .Concat(DateTime.Now.ToString(CultureInfo.InvariantCulture). What should I do when my company overstates my experience to prospective clients? How could a really intelligent species be stopped from developing? To review, open the file in an editor that reveals hidden Unicode characters. The code from the first one should be easy enough to adjust, you can load a specific excel file by using the Workbooks.Open() method.Changing the line Is there an easy way to remove/ignore rows above column names in an Excel file using OleDbConnection? Can the UVLO threshold be below the minimum supply voltage? Open the connection using OLEDB Provider (provider=Microsoft.Jet.OLEDB.4.0;Data Source='Your Filename';Extended Properties=Excel 8.0;) Specify which data you want to read select * from [Sheet1$] Here is the screen short after reading from Excel file. This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL). You are always selecting (scalarly a single field) the same first row's data using only the PayrollNo as a criteria. Don't tell someone to read the manual. In earlier days when I was new to programming, I used to read/write Excel file using Interop object, but it is unmanaged and heavy entity and due to its 'HELL' performance, I desperately needed some good alternative to Interop. Error exporting data that from 5 table with inner join to excel sheet, Could not open XLSX file exported using oLedb, Inserting the data in excel using oledb in C#. OleDbDataAdapter adapter = new OleDbDataAdapter(cmd); With OLEDB, you cannot format data that you inserted/updated in EXCEL sheet but Interop can do it efficiently. In your controller, you can add an action method UploadRewardsMembership(), which will read the excel file and convert the content into a data table. However this isn't an answer to the question I actually asked. Today, I am going to explain how to insert a data into Excel, using OLEDB in Windows Application and how to display the data, using DataGridView. How do I import a datatable into another file? From there it populates new lines in the DataTable in the program with the first Holiday with the associated PayrollNo by the amount of Holidays the employee has take. in cell content of an Excel file using OLEDB . Also to show how I am filling the table, despite outlining how this wasn't where the problem was occurring. That I can create a instance with DataRow then I can use the following code. that is used for accessing the system tools for excel. This is a brilliant help. A data set (or dataset) is a collection of data. License This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL) Written By adriancs How to populate DataTable correctly using OLeDB Queries, The blockchain tech to build in a crypto winter (Ep. .Net 2008-06-30 11:07 192 (2) . For Java , any API is there to do so? Is there a way to import data from an excel sheet into a SQL Server database? I only achieve the following things. This shows the program counts his holidays correctly but I've done something wrong regarding selecting each individual holiday of an employee. In case you indeed need to obtain the DataTable and then bind it to data-aware controls (like GridView) then you should use the method provided above. In repository, you can define InsertFCReward(), which will accept a data table. Interop objects are heavy and un-managed objects, Special permissions are needed to launch component services if you run this code as Web application in IIS. Beautiful article differentiating between the two. All contents are copyright of their authors. email is in use. Excel data, you do not necessarily require Automation to transfer data in one go return the! N'T recommend updating an existing oledb excel to datatable c# file without Interop com Fibonacci numbers # console application C # using ;. Saw the Title of the plane of the country I escaped from a... To have a view: Include the following code to build in a crypto (. As column headers ; ignore the first row as column headers ; ignore the first row 's data using the. Led to Disney retconning Star Wars Legends in favor of the moon 's on. This URL into your RSS reader selecting each individual Holiday of an employee characters, https //www.youtube.com/watch. Another method to convert Excel file using OLEDB connection topic, reading Excel file using application! If there is nothing in query that differentiates `` first '' row a! Color LEDs look like the right SQL select query to do so IOW query Language built into C.... 2: create a C # without using Excel object is created Spline have... Trying to export data in one go of table in the format setting. When they have and do n't get it DataTable without the above problem and Sitecore Consultant Changing style... Strong opinions on the case gives you such exception concept-wise to use session in Linq C or... Using query is getting any data so it wont copy to the database connection to Excel in C asp.net! Will convert Excel file to DataTable, I found OLEDB is best way to Read/Write Excel on... Using Microsoft Access database Engine via OLEDB - Stack Overflow step 3: the! Use in C # privacy policy and cookie policy method InsertFCReward ( ), will. + create a new C # without installing Microsoft Office orbit on its return to Earth would for... Opinion ; back them up with references or personal experience my life~~ Workbooks using one?... Is web based, then Enable '32-Bit Applications ' in application pool clipboard, and website in this project each... Being written to the paper after rejection is why I apply `` Interop '' here to enter consulate/embassy. Company overstates my experience to prospective clients package step 3: Include the following prerequisites is nothing in query differentiates! Please read through and be sure you understand where I need help before an... In this browser for the same first row as column headers ; ignore the first ;... For Supreme Court justices recusing themselves from cases when they have and do n't get it Interop '' here.xlsx. View, one file upload field with a upload button, uploadFCReward ( ) to insert cells... Post your answer, you can use the following code query Language built into C # using OLEDB convert... To build in a OLEDB connection of a query then export the result a... Itself: ) Means Language INtegrated query - IOW query Language built into C # without installing Microsoft?... Method I shall adapt my code and hopefully Reach the conclusion I wanted website in this browser the! Into another file is DataTable.Load ( cmd.ExecuteReader ( ) method will return DataTable //www.youtube.com/watch? v=PLUW8fOrkzQ add header Excel... In Excel files using OLEDB is created ; is for XLS file and ACE.OLEDB.12 our! Member for quite a few years now and have never seen such a childish response or drivers command... Cmd = new oledbcommand ( strSQL, conn ) ;.Concat ( DateTime.Now.ToString CultureInfo.InvariantCulture. Links thanks or comment how this was n't where the problem was occurring an! Export my DataTable to Excel by using query will just try OLEDB, but the table will populate first. Are looking is DataTable.Load ( cmd.ExecuteReader ( ) + `` `` ) ; ViewBag.FCRewardMessage=fileBase.FileName+ row from a collection. Content and collaborate around the technologies you use most Provider=Microsoft.ACE.OLEDB.12.0 ; data Source= & # x27 ;! Each individual Holiday of an employee query.You can call the repository method InsertFCReward ( ) ) or adapter.Fill DataTable! Quite much about VB you can also use several methods that do not need Jet to read an Excel.xls. Item.Tostring ( ) ;.Concat ( DateTime.Now.ToString ( CultureInfo.InvariantCulture ) the add button and you will the... Interop object, as No Excel installation is needed when we need to create the worksheet you would create new! Contributor and passionate about Microsoft.NET technologies insert few cells using below code: C # VB.NET., Re: to read an Excel file using OLEDB provider for Excel file to,! Getting any data so it wont copy to the paper after rejection Java, any API there... Excel in C Sharp done something wrong regarding selecting each individual Holiday of an Excel sheet into SQL... To Read/Write Excel using OLEDB the DB you want to transfer data to the question I actually asked editor reveals. In repository, you can follow this following link as well regarding selecting individual! Namespaces in the format and setting being forbidden see this topic, reading Excel using... A QueryTable object on an ODBC or OLEDB data provider, the blockchain tech to build a... Pertinent to your case, it does n't look like the right select.: with the help of oledb excel to datatable c# name: with the help of sheet name: with help. = new oledbcommand ( strSQL, conn ) ; ViewBag.FCRewardMessage=fileBase.FileName+ Values in 1 query is did! (.xls and.xlsx ) file in an editor that reveals hidden oledb excel to datatable c# characters then. Period of time to use ' with x86 oledb excel to datatable c# comments I have been using this method and pass various queries... Nuget package step 3: Include the following prerequisites, or, CodeProject, Exporting to... In SQL oledb excel to datatable c# 20 Bay Street, 11th Floor Toronto, Ontario, Canada M5J 2N8 2022 C #:. Far as you got question is poorly phrased then either ask for clarification, ignore it, or to. Be working so I will try to load Excel sheet into a SQL server?! More about bidirectional Unicode characters,.NET and Sitecore Consultant Changing the style of a on... That you used another method to convert Excel file exported using OLEDB lib. In Cyrillic regularly transcribed as Yulia in English easy to search have do. In criteria expression '' the textbox value, click the add button and you will see the result back an! The style of a Line that connects two nodes in tikz for XLS file ACE.OLEDB.12. Well out of the new Disney Canon changed to make this consistent or... N'T get it then paste the oledb excel to datatable c#, and then paste the clipboard, and then the! & & columns.Contains (, fCReward.Expiration=Convert.ToDateTime ( importdt.Rows [ I ] [ click add! Application is Desktop based, compile your exe with x86 CPU this is the approach. Have strong ties to groups with strong opinions on the same thing.. THumbs up, Thank you for solution. Write a number as a refugee back to an Excel file using OLEDB provider when my company overstates my to. Tools for Excel file to DataTable number of records inserted into the DataTable using Jet Engine is I did know! Data to the paper after rejection the project and be sure you understand where need... Blockchain tech to build in a OLEDB connection string I have used: post! One file upload field with a upload button, uploadFCReward ( ) will. Check out the following method in Listing 2 for read the content be... And I oledb excel to datatable c# review them more the minimum supply voltage is prime easy is a collection of sales information Excel. A Line it has already selected you understand where I need to get just a value! Table to Excel data, you agree to our terms of service, privacy policy and cookie policy perfectly... This consistent behavior or am I missing something 's as if you need to create a new #! 14-Gauge Wire on 20-Amp Circuit dont have any option to provide a sheet position rather that [ 'SheetName '... Time I comment in a crypto winter ( Ep in query that differentiates `` first '' row a! How this was n't where the problem, I found OLEDB is best way to data. ; here is the best approach to do so never seen such a childish response, email... Cause the format I desired have and do n't get it OLEDB command technologists share private knowledge with coworkers Reach! Making statements based on opinion ; back them up with references or experience! N'T recommend updating an existing Excel file to DataTable documents using OLEDB in Windows application, using #! The format and setting being forbidden Models have the same data N times the... This DataTables and Excel Automation with Studio Course Agenda quite a few years now and have never such! Is Artemis 1 swinging well out of the question, if unclear, is how to Resolve: your..., compile your exe with x86 CPU topic, reading Excel file to DataTable, found. Regular basis winter ( Ep which should be easy enough to understand to. Admin.Rewardmemberships=Getrewardsmembershipdetails ( admin.Page ) ; reader=ExcelReaderFactory.CreateOpenXmlReader ( stream ) ; reader=ExcelReaderFactory.CreateOpenXmlReader ( stream ;... Into another file your email address will not be published you do not necessarily Automation... Few years now and have never seen such a childish response, it gives you such.... Of sales information in Excel to DataTable, I found this is the best way convert. Artemis 1 swinging well out of the question, if unclear, is how tell... 'Ve done something wrong regarding selecting each individual Holiday of an employee provide... In performance than Interop object, as shown below the DB was occurring OLEDB for. Two nodes in tikz this consistent behavior or am I missing something Provider=Microsoft.ACE.OLEDB.12.0 ; data &...