EasyXLS is an Excel component that can be used to export Excel files programmatically. It also permits the export of large amount of data to Excel file.
EasyXLS is an optimal solution to:
The Excel component supports all MS Excel file formats: XLSX, XLS, XLSM, XLSB and XML Spreadsheet. The below links explains with source code samples how to export data to these file formats:
However, the recommended file format for large Excel files is the binary format like XLSB or XLS formats. Binary files are faster by default.
For a fast export and better memory management, some steps must be followed. Check the below link for more technical details:
How to export large Excel file?
The Excel component can be used from C#, VB.NET, C++.NET, PHP, ASP classic, C++, Java, VBS, VB6 or ColdFusion.
Export DataGrid to Excel file in C# and VB.NET quick and effortless!
http://www.easyxls.com/manual/FAQ/export-datagrid-to-excel.html
EasyXLS is an Excel component that can be included in any C#, VB.NET or Java application.
Furthermore, it includes a .NET built DLL which is a COM+ library, that can be used from PHP, ASP classic, C++, VB6 or any other language that supports COM technology.
By including EasyXLS into your application, you can export Excel files that include macros or VBA code. The component supports XLSM file format, but, it also supports the older XLS format or the XLSB binary format.
EasyXLS preserves macros when the Excel file is loaded through the component. After working with loaded data or adding more data, the Excel file can be exported as XLSM file format or XLS, XLSB file.
For more technical details, read further how to export data to XLSM file.
EasyXLS can be used from any of the following environment and even more:
.NET version
COM+ version
Java version
EasyXLS is an Excel library that it used to create Excel files, format data in cells using predefined formats or user-defined formats.
The Excel file can be created without MS Excel installed and without Office Interop.
The library has three versions:
EasyXLS version for .NET lets you create Excel file from ASP.NET, WinForms or console applications.
EasyXLS version for Java lets you create Excel file from servlets, JSF and any Java application.
The library permits the creation of Excel files in XLSX, XLS, XLSM and XLSB file formats for Microsoft Excel 97, 2003, 2007, 2010 and 2013. The Excel workbook can have multiple sheets.
For source code samples in any of the mentioned programming languages and more technical details, check this link about how to create Excel files. You may also find samples about how to create Excel file from basic data structures like lists, DataTable, DataSet, GridView, DataGridView or ResultSet.