This method, export to Excel file from Gridview

VB.NET

Sub wc_gvGridviewToExcel(ByVal gvGridview As Gridview, ByVal strExcelFilePath As String)

'Columns

Dim intColumnsCount As Integer = gvGridview.Columns.Count - 1

'Header

Dim strHeaderNames As String = Nothing

For i = 0 To intColumnsCount

strHeaderNames += gvGridview.Columns(i).HeaderText & ";"

Next

WriteToExcel(strHeaderNames, strExcelFilePath)

'Each Row

Dim strRowText As String = Nothing

For Each grdRow As gvGridviewRow In gvGridview.Rows

For i = 0 To intColumnsCount

strRowText += grdRow.Cells(i).Text & ";"

Next

WriteToExcel(strRowText, strExcelFilePath)

strRowText = Nothing

Next

End Sub

Sub WriteToExcel(ByVal strText As String, ByVal strExcelFileName As String)

Dim myFileWriter As New System.IO.StreamWriter(strExcelFileName, True)

myFileWriter.WriteLine(strText)

myFileWriter.Close()

End Sub

C#.NET

public void wc_gvGridviewToExcel(Gridview gvGridview, string strExcelFilePath)
{

 //Columns

 int intColumnsCount = gvGridview.Columns.Count - 1;

 //Header

 string strHeaderNames = null;

 for (i = 0; i <= intColumnsCount; i++) {

 strHeaderNames += gvGridview.Columns(i).HeaderText + ";";
 }

 WriteToExcel(strHeaderNames, strExcelFilePath);

 //Each Row

 string strRowText = null;

 foreach (gvGridviewRow grdRow in gvGridview.Rows) {

 for (i = 0; i <= intColumnsCount; i++) {

 strRowText += grdRow.Cells(i).Text + ";";
 }

 WriteToExcel(strRowText, strExcelFilePath);

 strRowText = null;

 }
}

public void WriteToExcel(string strText, string strExcelFileName)
{

 System.IO.StreamWriter myFileWriter = new System.IO.StreamWriter(strExcelFileName, true);

 myFileWriter.WriteLine(strText);

 myFileWriter.Close();
}

Happy Programming!!

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