By utilizing the capabilities of the Excel object model and using the features offered by the Microsoft Excel 12.0 Object Library, we can dynamically create and modify worksheets, extract data from cells, apply formatting options such as font styles and cell borders, and much more.

Use your WorkSheet.Columns.NumberFormat, and set it to string "@", here is the sample: Excel._Worksheet workSheet = (Excel._Worksheet)_Excel.Worksheets.Add(); //set columns format to text format workSheet.Columns.NumberFormat = "@"; Note: this text format will apply for your hole excel sheet!

Jun 23, 2015 · You can use EasyXLS to import the xlsx file and after that to apply the format that you need:

We will set "Font" , "Currency", "Date" and "Percentage" formate in Excel from C# . For creating Excel, we will use the "Microsoft.Office.Interop.Excel" DLL. Procedure

May 29, 2018 · string l_connectionString = ""; string l_filePath = txtComparisonFile.Text; string l_fileExt = System.IO.Path.GetExtension(l_filePath); if(l_fileExt.CompareTo(".xls") == 0) l_connectionString = @"provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + l_filePath + ";Extended Properties='Excel 8.0;HRD=Yes;IMEX=1';"; else l_connectionString = @"Provider ...

Dec 5, 2023 · Learn how to programmatically format Excel XLSX cells using a C# .NET API. See more and build your application today.

Learn how to format cells in Excel files in C# using the Interop library, covering cell styles, table creation and color-filled cells.

This example shows how to set different style-specific properties on Excel rows, columns, and cells from C# and VB.NET applications using the GemBox.Spreadsheet component.

Jul 5, 2023 · In this article we work with xlsx files. The xlsx is a file extension for an open XML spreadsheet file format used by Microsoft Excel. The xlsm files support macros. The xltm are macro-enabled template files. The xls format is a proprietary binary format while xlsx is based on Office Open XML format.

Mar 18, 2009 · Using OlebDB, we can read excel file in C#, easily, here is the code while working with Web-Form, where FileUpload1 is file uploading tool