How to Create Excel Files in C# Without Microsoft Office?

Create an excel file in C#, no Microsoft Office

Question:

Developers often need to create an excel electronic table without installing Microsoft Office on the machine running code. Solution:

Fortunately, some open source libraries allow you to easily complete this task. Let us explore some of the most popular options:

Excellibrary

Excellibrary is a free library that can create excel .xls files. Its simple and easy -to -use makes it a feasible choice. In addition, it also has DataSethelper, which can process data efficiently.

Epplus

Epplus is used to create Excel 2007/2010 .xlsx files. It provides comprehensive documents and is actively maintained. Its function is extended to processing data perspective tables, which is an incomplete function of Excellibrary.

NPOI

NPOI is a multi -functional library that can process .xls and .xlsx files. It provides a comprehensive API for interaction with Excel documents.

Excellibrary example code

The following example demonstrates how to use Excellibrary to create an Excel workbook from a database:

With these libraries, we can easily create an excel file without Microsoft Office, which makes it very convenient for development applications that require Excel document processing.

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