I've used free spire.xls ver9.2.1 Well....
Now I have a problem when insert datatable to excel.
-. My original value is "0+", "1+", "2+", "0-", "1-", "2-",......
-. Excel value is "0", "1", "2", "0", "-1", "-2",......
I checked DataTable cell value is correct.
My code is "sheet.InsertDataTable(ToBeDataTable, false, 3, 1);"
Thanks....