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Close an excel file if it is open VB.Net

Hi Experts,

How can I close an Excel file if it is open. The following is my code. When I try to save the file, I get error if it is open.

Thanks in advance.

 Try
            System.Threading.Thread.CurrentThread.CurrentCulture = _
            System.Globalization.CultureInfo.CreateSpecificCulture("en-US")
            Dim oExcel As Excel.Application
            Dim oBook As Excel.Workbook
            Dim oSheet As Excel.Worksheet
            oExcel = CreateObject("Excel.Application")
            oBook = oExcel.Workbooks.Add(Type.Missing)
            oSheet = oBook.Worksheets(1)

            Dim dc As System.Data.DataColumn
            Dim dr As System.Data.DataRow
            Dim colIndex As Integer = 0
            Dim rowIndex As Integer = 0

            'Export the Columns to excel file
            For Each dc In datatableMain.Columns
                colIndex = colIndex + 1
                oSheet.Cells(1, colIndex) = dc.ColumnName
            Next

            'Export the rows to excel file
            For Each dr In datatableMain.Rows
                rowIndex = rowIndex + 1
                colIndex = 0
                For Each dc In datatableMain.Columns
                    colIndex = colIndex + 1
                    oSheet.Cells(rowIndex + 1, colIndex) = dr(dc.ColumnName)
                Next
            Next

            'Set final path
            oSheet.Columns.AutoFit()
            'Save file in final path
            oBook.Application.DisplayAlerts = False
            oBook.SaveAs(FilePath, XlFileFormat.xlWorkbookNormal, Type.Missing, _
            Type.Missing, Type.Missing, Type.Missing, XlSaveAsAccessMode.xlExclusive, _
            Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing)

            'Release the objects
            ReleaseObject(oSheet)
            oBook.Close(False, Type.Missing, Type.Missing)
            ReleaseObject(oBook)
            oExcel.Quit()
            ReleaseObject(oExcel)
            'Some time Office application does not quit after automation:
            'so i am calling GC.Collect method.
            GC.Collect()

            MessageBox.Show("Export done successfully!")

            'End If
        Catch ex As Exception
            MessageBox.Show(ex.Message, "Warning", MessageBoxButtons.OK)
        End Try
0
RadhaKrishnaKiJaya
Asked:
RadhaKrishnaKiJaya
1 Solution
 
Rgonzo1971Commented:
Hi,

How is FilePath defined?

Regards
0
 
RadhaKrishnaKiJayaAuthor Commented:
Thank u very much.
0
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