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Summary: Export DatagridView to CSV VB2005 -Pat Tormey
Language: VB.NET
Author: Pat Tormey
Author snippets RSS:
Culture: en-US
Bytes: 2520
Visual Studio 2005 Snippet:

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Code:
'Pat Tormey Foursquare Solutions Inc. www.4square.net Jun 06
'Recommended for export to Excel as comma delimited
'Suggest Isolated Storage for File to avoid security and multi user issues..
'Note: Replaces existing commas with space.
Imports System.IO
Namespace Modules
    Module modExportDataView
        Sub ExportDataGridView(ByVal Filename As String, ByVal dgv As DataGridView)
            Dim row As DataGridViewRow
            Dim col As DataGridViewColumn
            Dim sWriter As StreamWriter
            Dim sValue As String
            Try
                sWriter = New StreamWriter(Filename, False)
            Catch ex As System.IO.IOException
                Throw New Exception(Filename & " is in Use") 'probably
                Return
            End Try
            For Each col In dgv.Columns
                If col.Visible Then
                    sWriter.Write(col.HeaderText)
                    If col.Index < dgv.Columns.Count Then
                        sWriter.Write(",")
                    End If
                End If
            Next 'col
            sWriter.WriteLine()
            For Each row In dgv.Rows
                For Each col In dgv.Columns
                    If col.Visible Then
                        Try
                            If Not row.Cells(col.Index).Value Is Nothing Then
                                Select Case row.Cells(col.Index).ValueType.Name
                                    Case "String"
                                        sValue = CType(row.Cells(col.Index).Value, String)
                                        sValue = Replace(sValue, ",", " ") 'lose the commas
                                        sWriter.Write(sValue.Trim)
                                        'Case Additional Formatting Not Implemented
                                    Case Else
                                        sWriter.Write(row.Cells(col.Index).Value)
                                End Select
                            End If 'row.Cells(col.Index).Value i snothing
                            If col.Index < dgv.Columns.Count Then sWriter.Write(",")
                        Catch ex As Exception
                            Throw New Exception("Something went wrong Exporting DatagridView")
                        End Try
                    End If 'Visible
                Next 'Col
                sWriter.WriteLine()
            Next 'row
            sWriter.Flush()
            sWriter.Close()
        End Sub
    End Module
End Namespace

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