Export Excel file with frozen rows or columns inside sheet cells using EasyXLS library! XLS, XLSX, XLSM, XLSB file in .NET.
https://www.easyxls.com/manual/tutorials/vb-net/excel-freeze-row-column.html
Export Excel file and grouping rows or columns in sheet using EasyXLS library! XLS, XLSX, XLSM, XLSB file in .NET.
https://www.easyxls.com/manual/tutorials/vb-net/excel-group-rows-columns.html
Export Excel file with image into sheet using EasyXLS library! XLS, XLSX, XLSM, XLSB file in .NET.
https://www.easyxls.com/manual/tutorials/vb-net/insert-excel-image.html