When using Invoke Code like below some errors haapened.
Dim xlApp As Microsoft.Office.Interop.Excel._Application = Nothing
Dim xlWorkBooks As Microsoft.Office.Interop.Excel.Workbooks = Nothing
Dim xlWorkBook As Microsoft.Office.Interop.Excel.Workbook = Nothing
Dim xlWorkSheet As Microsoft.Office.Interop.Excel.Worksheet = Nothing
Dim xlWorkSheets As Microsoft.Office.Interop.Excel.Sheets = Nothing