data not binding in datatable in .net core 5.0

Question

public static DataTable tdt()

{

DataTable dtn= new DataTable();

dtn.Columns.Add("col1", typeof(string));

dtn.Columns.Add("col2", typeof(string));

return dtn;

}

above is my dattable in .net core 5.0 but data not binding in my datatable.plz help