Aspx Gridview with a main header and subheader

GridViewWithSubheader.aspx.vb

 ''' <summary>
    ''' Create a Subheader above the actual grid header
    ''' </summary>
    ''' <param name="sender"></param>
    ''' <param name="e"></param>
    Protected Sub DataGrid_RowCreated(sender As Object, e As UI.WebControls.GridViewRowEventArgs) Handles datagrid.RowCreated
        Dim datagrid As GridView = Nothing
        Dim headercell As TableHeaderCell = Nothing
        Dim gridsubheaderrow As GridViewRow = Nothing
        Dim gridFooterCell As TableCell = Nothing

        Try
            datagrid = CType(sender, GridView)
            If (e.Row.RowType = DataControlRowType.Header) Then
                gridsubheaderrow = New GridViewRow(0, 0, DataControlRowType.Header, DataControlRowState.Insert)
                headercell = New TableHeaderCell()
                headercell.Text = ""
                gridsubheaderrow.Cells.Add(headercell)

                headercell = New TableHeaderCell()
                headercell.Text = "Cash"
                headercell.ColumnSpan = 3
                gridsubheaderrow.Cells.Add(headercell)

                headercell = New TableHeaderCell()
                headercell.Text = "Check"
                headercell.ColumnSpan = 3
                gridsubheaderrow.Cells.Add(headercell)

                headercell = New TableHeaderCell()
                headercell.Text = ""
                gridsubheaderrow.Cells.Add(headercell)

                datagrid.Controls(0).Controls.AddAt(0, gridsubheaderrow)
           
            End If

        Catch ex As Exception
            Throw
        End Try
    End Sub

About the Snippet

This is the code snippet to create a custom header above the default aspxGridview column header. The details and the sample screenshot of the gridview is given in the blog post