Syncfusion Excel (XlsIO) library is a .NET Excel library that allows the user to export data to Excel in C# and VB.NET from various data sources like data tables, arrays, collections of objects, ...

The DataTables API has a number of methods available for attaching child rows to a parent row in the DataTable. This can be used to show additional information about a row, useful for cases where you ...

The file picker should allow the selection of .xlsx files. Once an Excel file is selected, decode it using the Excel.decodeBytes method from the excel package. Extract the headers from the first row ...