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asp.net How to change the header column names in the excell file when exporting Gridview to excel

Last Modified: 2013-11-08
How to change the header column names in the excell file when exporting Gridview to excel. I would like to change the header names in Excel
Company Name
Attendee Name

instead of the following..

intRegistrationID strName strRegistrationUserName
178 Petersen Construction Services Perry Petersen
179 CALTROP Corporation Beth Power

Private Sub GetSelections_Click(ByVal sender As Object, ByVal e As System.EventArgs)  Handles GetSelections.Click
        Dim rowCount As Integer = 0 
        Dim gridSelections As New StringBuilder() 
	Dim dt As New DataTable()
    'Loop through GridView, and determine which CheckBox controls have been selected. 
      For Each row As GridViewRow In uxItemDetailGrid.Rows
        ' Access the CheckBox
         Dim cb As CheckBox = row.FindControl("myCheckbox")
         If cb.Checked = True Then
           '  rowCount += 1 
           '  response.write("test1: " + rowCount.ToString())

            Dim i As Integer = row.RowIndex
      	    Dim lbl As Label = CType(uxItemDetailGrid.Rows(i).FindControl("lblintRegistrationID"), Label)
      	    Dim lbl1 As Label = CType(uxItemDetailGrid.Rows(i).FindControl("lblstrName"), Label)
            Dim lbl2 As Label = CType(uxItemDetailGrid.Rows(i).FindControl("lblUserName"), Label)

      	    Dim dr As DataRow = dt.NewRow()
      	    dr("intRegistrationID") = Convert.ToString(lbl.Text)
      	    dr("strName") = Convert.ToString(lbl1.Text)
            dr("strRegistrationUserName") = Convert.ToString(lbl2.Text)


        End If

	Dim uxItemDetailGrid1 As New GridView()
	uxItemDetailGrid1.DataSource = dt
	Response.Buffer = True
	Response.ContentType = "application/ms-excel"
	Response.AddHeader("content-disposition", String.Format("attachment;filename={0}.xls", "selectedrows"))
	Response.Charset = ""
	Dim stringwriter = New StringWriter()
	Dim htmlwriter As New HtmlTextWriter(stringwriter)

    End Sub

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