استفسار عن كود تصدير بيانات داتا قريد الى اكسل وورود

PHP كود :
Public Sub ExportToExcel(ByVal DGV As DataGridView, Optional OpenDialog As Boolean = False, Optional SameColumnsWidth As Boolean = True)
        Dim FlNm As String = ""
        Dim sv As New SaveFileDialog
        sv.FileName = "Excel.xls"
        sv.Filter = "|*.xls"
        If sv.ShowDialog <> DialogResult.OK Then Exit Sub
        FlNm = sv.FileName
        Dim fs As New StreamWriter(FlNm, False)
        With fs
            .WriteLine("<?xml version=""1.0""?>")
            .WriteLine("<?mso-application progid=""Excel.Sheet""?>")
            .WriteLine("<Workbook xmlns=""urn:schemas-microsoft-com:office:spreadsheet"">")
            .WriteLine("  <Styles>")
            .WriteLine("  <Style ss:ID=""hdr"">")
            .WriteLine("  <Alignment ss:Horizontal=""Center""/>")
            .WriteLine("  <Borders>")
            .WriteLine("    <Border ss:Position=""Left"" ss:LineStyle=""Continuous"" ss:Weight=""1""/>")
            .WriteLine("    <Border ss:Position=""Right"" ss:LineStyle=""Continuous"" ss:Weight=""1""/>")
            .WriteLine("    <Border ss:Position=""Top"" ss:LineStyle=""Continuous"" ss:Weight=""1""/>")
            .WriteLine("  </Borders>")
            .WriteLine("  <Font ss:FontName=""Calibri"" ss:Size=""11"" ss:Bold=""1""/>") 'SET FONT
            .WriteLine("  </Style>")
            .WriteLine("  <Style ss:ID=""ksg"">")
            .WriteLine("  <Alignment ss:Vertical=""Bottom""/>")
            .WriteLine("  <Borders/>")
            .WriteLine("  <Font ss:FontName=""Calibri""/>") 'SET FONT
            .WriteLine("  </Style>")
            .WriteLine("  <Style ss:ID=""isi"">")
            .WriteLine("  <Borders>")
            .WriteLine("    <Border ss:Position=""Bottom"" ss:LineStyle=""Continuous"" ss:Weight=""1""/>")
            .WriteLine("    <Border ss:Position=""Left"" ss:LineStyle=""Continuous"" ss:Weight=""1""/>")
            .WriteLine("    <Border ss:Position=""Right"" ss:LineStyle=""Continuous"" ss:Weight=""1""/>")
            .WriteLine("    <Border ss:Position=""Top"" ss:LineStyle=""Continuous"" ss:Weight=""1""/>")
            .WriteLine("  </Borders>")
            .WriteLine("  <Font ss:FontName=""Calibri"" ss:Size=""10""/>")
            .WriteLine("  </Style>")
            .WriteLine("  </Styles>")

            .WriteLine("  <Worksheet ss:Name=""sheet1"">")
            .WriteLine("  <Table>")
            If SameColumnsWidth Then
                For i = 0 To DGV.ColumnCount - 1
                    .WriteLine("  <Column ss:Width=""" & DGV.Columns(i).Width & """/>")
                Next
            End If
            .WriteLine("  <Row ss:StyleID=""ksg"">")
            For i As Integer = 0 To DGV.Columns.Count - 1
                Application.DoEvents()
                .WriteLine("  <Cell ss:StyleID=""hdr"">")
                .WriteLine("    <Data ss:Type=""String"">{0}</Data>", DGV.Columns.Item(i).HeaderText)
                .WriteLine("  </Cell>")
            Next
            .WriteLine("  </Row>")
            For intRow As Integer = 0 To DGV.RowCount - 1
                Application.DoEvents()
                .WriteLine("  <Row ss:StyleID=""ksg"" ss:utoFitHeight =""0"">")
                For intCol As Integer = 0 To DGV.Columns.Count - 1
                    Application.DoEvents()
                    .WriteLine("  <Cell ss:StyleID=""isi"">")
                    .WriteLine("  <Data ss:Type=""String"">{0}</Data>", DGV.Item(intCol, intRow).Value.ToString)
                    .WriteLine("  </Cell>")
                Next
                .WriteLine("  </Row>")
            Next
            .WriteLine("  </Table>")
            .WriteLine("  </Worksheet>")
            .WriteLine("</Workbook>")
            .Close()
            If OpenDialog Then
                Dim msg1
                msg1 = MsgBox("Save complete .. Do you want open file ?", MsgBoxStyle.YesNo + MsgBoxStyle.Question, "Export")
                If msg1 = vbNo Then Exit Sub
                Process.Start(FlNm)
            End If
        End With
    End Sub