You cannot access Excel cells after you close the workbook. Why cannot you store the value before closing it?

>
>I hope you have nice holidays
>
>On your code that you send to me and work fine , i need to make some modification, because i need to change some value to return my calculate field Cell C14 and what i want is after closing my excel workbook , i use this value field to make a replace for example on my VFOX application.
>
>my code is :
>oExcel = CreateObject("Excel.Application")
>*Caminho e nome do ficheiro
>oWorkbook = oExcel.Workbooks.Open("f:\aaa.xls")
>*Nome Da Folha
>oSheet = oWorkbook.Sheets("aaa")
>*Activate selected sheet
>oSheet.Activate()
>*Make Excel visible
>oExcel.Visible = .T.
>
>
>
>*Get value from a cell with some formula
>lnSum = oSheet.Cells(12,"c").Value
>msg(astr(lnsum))
>select lr
>replace lr.u_nrchpd with astr(lnsum)
>*oSheet.deactivate()
>oWorkbook.close
>
>How can change my code to keep the value "lnsum", but only when i close my Excel workbook. I try with :
>
>oExcel = CreateObject("Excel.Application")
>*Caminho e nome do ficheiro
>oWorkbook = oExcel.Workbooks.Open("f:\aaa.xls")
>*Nome Da Folha
>oSheet = oWorkbook.Sheets("aaa")
>*Activate selected sheet
>oSheet.Activate()
>*Make Excel visible
>oExcel.Visible = .T.
>
>
>if oWorkbook.close
>*Get value from a cell with some formula
>lnSum = oSheet.Cells(12,"c").Value
>msg(astr(lnsum))
>select lr
>replace lr.u_nrchpd with astr(lnsum)
>oWorkbook.close
>endif
>
>But VFPRO return error : " Member CELLS does not evaluate to an object"
>
>Could you give me some help
>
>Many thanks again