Imports System.IO
Public Class cDgvToExcel


    Dim FlNm As String

    Private Sub ExportToExcel(ByVal DGV As DataGridView)
        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""/>") 'SET FONT
            .WriteLine("        </Style>")
            .WriteLine("    </Styles>")
            '  If DGV.Name = "Student" Then
            .WriteLine("    <Worksheet ss:Name=""TEST"">") 'SET NAMA SHEET
            .WriteLine("        <Table>")
            .WriteLine("            <Column ss:Width=""27.75""/>") 'No
            .WriteLine("            <Column ss:Width=""93""/>") 'NIK
            .WriteLine("            <Column ss:Width=""84""/>") 'Nama
            .WriteLine("            <Column ss:Width=""100""/>") 'Alamat
            .WriteLine("            <Column ss:Width=""84""/>") 'Telp
            '  End If
            'AUTO SET HEADER
            .WriteLine("            <Row ss:StyleID=""ksg"">")
            For i As Integer = 0 To DGV.Columns.Count - 1 'SET HEADER
                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()
        End With
    End Sub

    Public Sub start(DGV As DataGridView)

        If DGV.RowCount = 0 Then Return

        '   BtnExport.Text = "Please Wait..."
        '  BtnExport.Enabled = False
        Application.DoEvents()
        DGV.AllowUserToAddRows = False

        If False Then

            With DGV
                .AllowUserToAddRows = False
                .Name = "Student"
                .Visible = False
                .Columns.Clear()
                .Columns.Add("No", "No")
                .Columns.Add("NIK", "NIK")
                .Columns.Add("Nama", "Nama")
                .Columns.Add("Alamat", "Alamat")
                .Columns.Add("Telp", "Telp")
            End With
            With DGV
                If .Rows.Count > 0 Then
                    For i As Integer = 0 To .Rows.Count - 1
                        Application.DoEvents()
                        DGV.Rows.Add(IIf(i = 0, 1, i + 1), .Rows(i).Cells("NIK").Value, _
                                     .Rows(i).Cells("Nama").Value, .Rows(i).Cells("Alamat").Value, _
                                     .Rows(i).Cells("Telp").Value)
                    Next
                End If
            End With

        End If
        FlNm = "D:\TEST" & Now.Day & "-" & Now.Month & "-" & Now.Year & ".xml"
        'FlNm = Application.StartupPath & "\Student " _
        '        & Now.Day & "-" & Now.Month & "-" & Now.Year & ".xls"
        If File.Exists(FlNm) Then File.Delete(FlNm)
        ExportToExcel(DGV)

        DGV.Dispose()
        DGV = Nothing

        Process.Start("EXCEL", "D:\TEST" & Now.Day & "-" & Now.Month & "-" & Now.Year & ".xml")

        '  BtnExport.Text = "Export"
        '  BtnExport.Enabled = True

    End Sub

End Class