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How to merge or combine multiple Excel files?

Syncfusion Essential XlsIO is a .NET Excel library used to create, read, and edit Excel documents. Using this library, you can start creating an Excel document in C# and VB.NET.

 

Steps to create Excel programmatically:

 

  1. Create a new C# console application project.

 

 

  1. Install Syncfusion.XlsIO.Base NuGet package to the console application project from Syncfusion Windows Forms NuGet feed. For more information about adding a NuGet feed in Visual Studio and installing NuGet packages, refer to documentation.

 

 

  1. Include the following namespace in the Program.cs file.

 

 

 

  1. Use the following code snippet to create Excel file with merging several worksheets into a single worksheet.

 

 

 

A complete working CreateExcel sample can be downloaded here.

 

By executing the program, you will get the Excel file as follows.

Take a moment to peruse the documentation, where you can find basic worksheet data manipulation options along with features like Conditional Formatting, worksheet calculations through Formulas, adding Charts in worksheet or workbook, organizing and analyzing data through Tables and Pivot Tables, appending multiple records to worksheet using Template Markers, and most importantly PDF and Image conversions etc., with code examples.

 

Refer here to explore the rich set of Syncfusion Essential XlsIO features.

 

An online sample link to generate Excel file.

 

Note:

Starting with v16.2.0.x, if you reference Syncfusion assemblies from trial setup or from the NuGet feed, include a license key in your projects. Refer to link to learn about generating and registering Syncfusion license key in your application to use the components without trail message.

Article ID: Published Date: Last Revised Date: Platform: Control:
9099 08/06/2018 08/07/2018 Windows Forms XlsIO
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