Create XLS File in C#
High-speed C# library for creating XLS. This is a professional software solution to import and export XLSX, PDF, and many other formats on .NET Framework, .NET Core or Mono Platforms.
Aspose.Cells for .NET
Overview
Create XLS File Using C#
How to create XLS file? With Aspose.Cells for .NET library, you can easily create XLS file programmatically with a few lines of code. Aspose.Cells for .NET is capable of building cross-platform applications with the ability to generate, modify, convert, render and print all Excel files. .NET Excel API not only convert between spreadsheet formats, it can also render Excel files as images, PDF, HTML, ODS, CSV, SVG, JSON, WORD, PPT and more, thus making it a perfect choice to exchange documents in industry-standard formats. Open NuGet package manager, search for Aspose.Cells and install. You may also use the following command from the Package Manager Console.
Package Manager Console Command
PM> Install-Package Aspose.Cells
How to Create XLS in C#
It is easy for the developers to create, load, modify and convert XLS files within running different reporting applications for data processing in just a few lines of code.
- Include the namespace in your class file
- Create Workbook class instance.
- Access the first worksheet of the workbook.
- Get the desired cell(s) of the worksheet and input the value into the cell(s).
- Use Save method to save the workbook as XLS file.
Sample code shows how to create XLS file in C#.
// Create Workbook class instance.
Workbook wkb = new Workbook();
// Access the first worksheet of the workbook.
Worksheet sht = wkb.Worksheets[0];
// Get the desired cell(s) of the worksheet.
Cell c00 = sht.Cells["A1"];
Cell c01 = sht.Cells["B1"];
Cell c10 = sht.Cells["A2"];
Cell c11 = sht.Cells["B2"];
// input the value into the cell(s).
c00.PutValue("ColumnA");
c01.PutValue("ColumnB");
c10.PutValue("ValueA");
c11.PutValue("ValueB");
// Save the Workbook as .xls file.
wkb.Save("created_one.xls");
C# library to create XLS file
There are two alternative options to install “Aspose.Cells for .NET” onto your system. Please choose one that resembles your needs and follow the step-by-step instructions:
- Install a NuGet Package . See Documentation
- Install the library using Package Manager Console within Visual Studio IDE
System Requirements
Before running the .NET conversion example code, make sure that you have the following prerequisites.
- Microsoft Windows or a compatible OS with .NET, .NET Core, Windows Azure or Mono Platforms.
- Development environment like Microsoft Visual Studio.
- Add reference to the Aspose.Cells for .NET DLL in your project.
XLS What is XLS File Format?
Files with XLS extension represent Excel Binary File Format. Such files can be created by Microsoft Excel as well as other similar spreadsheet programs such as OpenOffice Calc or Apple Numbers. File saved by Excel is known as Workbook where each workbook can have one or more worksheets. Data is stored and displayed to users in table format in worksheet and can span numeric values, text data, formulas, external data connections, images, and charts. Applications like Microsoft Excel lets you export workbook data to several different formats including PDF, CSV, XLSX, TXT, HTML, XPS, and several others. The XLS file format was replaced with a more open and structured format, XLSX, with the release of Microsoft Excel 2007. The latest versions still provide support for creating and reading XLS files, though XLSX is the first choice of use now.
Read MoreOther Supported Spreadsheet Generation
You can also create other Microsoft Excel formats including few listed below.