How to export DataTable to Excel file in C# and VB.NET


EasyXLS™ library allows you to export a DataTable to an Excel file. The data in cells can be formatted using predefined formats or user-defined formats.

EasyXLS can be successfully used inclusively to export large Excel files having big volume of data with fast exporting time.

The source code samples can be integrated in:
- ASP.NET web pages
- Windows applications
- Windows Forms (WinForms)
- Console applications
- Windows service applications
- ASP.NET MVC web applications

EasyXLS permits you to export Excel files without Excel installed, without Interop or any other additional software installed.

Concept in action

The below example shows how to export DataTable to Excel in C# and VB.NET.

Source code sample


Export DataTable to Excel file with multiple sheets

For an Excel file having multiple sheets, the DataTable can be inserted using ExcelWorksheet.easy_insertDataSet method and the Excel file must be exported using ExcelDocument.easy_WriteXLSFile method.

Formatting cells

EasyXLS™ enables you to format cells, rows and columns in order to set the fonts and colors.

Export DataTable to XLSX, XLSB, XLSM and XLS files

This code sample shows how to export a DataTable to XLS file. Similarly, you can export a DataTable to XLSX file using ExcelDocument.easy_WriteXLSXFile_FromDataSet method or export DataTable to XLSB file using ExcelDocument.easy_WriteXLSBFile_FromDataSet method.

Getting started with EasyXLS Excel library

To download the trial version of EasyXLS Excel Library, press the below button:

Download EasyXLS™ Excel Library for ASP.NET

If you already own a license key, you may login and download EasyXLS from your account.

After installation, you will need to create a C# or VB.NET project and add a reference to EasyXLS.dll.

Available for: Professional, Excel Writer, Express Excel Writer
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EasyXLS Excel libraries:

.NET Excel Library
full .NET version to import, export or convert Excel files
.NET Excel Writer
.NET version to create and export Excel files
.NET Express Excel Writer
limited .NET version to create and export Excel files in predefined formats
Download EasyXLS™ Excel Library for .NET

File formats:

MS Excel 97
MS Excel 2003
MS Excel 2007
MS Excel 2010
MS Excel 2013
MS Excel 2016
MS Excel 2019