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Events and Customization

The print events in RadGridView allow the developer to customize the print output for each individual cell. There are two events namely PrintCellFormatting and PrintCellPaint.


Just like the other formatting events of RadGridView, this event allows you to format the appearance of the cells in the printed document. Here is a very simple example, which demonstrates how to customize the appearance of the header and the summary rows:

private void radGridView1_PrintCellFormatting(object sender, PrintCellFormattingEventArgs e)
    if (e.Row is GridViewTableHeaderRowInfo)
        e.PrintCell.DrawFill = true;
        e.PrintCell.BackColor = Color.LightBlue;
        e.PrintCell.BorderColor = Color.Blue;
    else if (e.Row is GridViewSummaryRowInfo)
        e.PrintCell.DrawFill = true;
        e.PrintCell.BackColor = Color.LightSalmon;
        e.PrintCell.BorderColor = Color.Tomato;

Private Sub radGridView1_PrintCellFormatting(sender As Object, e As PrintCellFormattingEventArgs)
    If TypeOf e.Row Is GridViewTableHeaderRowInfo Then
        e.PrintCell.DrawFill = True
        e.PrintCell.BackColor = Color.LightBlue
        e.PrintCell.BorderColor = Color.Blue
    ElseIf TypeOf e.Row Is GridViewSummaryRowInfo Then
        e.PrintCell.DrawFill = True
        e.PrintCell.BackColor = Color.LightSalmon
        e.PrintCell.BorderColor = Color.Tomato
    End If
End Sub

gridview-printing-support-events 001


This event allow you to access the cell and to paint in it whatever you need. Here is a sample, where we will paint a green dot when the product quantity is more than 20 and a red dot if it is less:

private void radGridView1_PrintCellPaint(object sender, PrintCellPaintEventArgs e)
    if (e.Row is GridViewDataRowInfo & e.Column.Name == "UnitsInStock")
        int side = e.CellRect.Height - 8;
        int x = e.CellRect.X + 4;
        int y = e.CellRect.Y + 4;
        Rectangle rect = new Rectangle(x, y, side, side);
        Brush brush = default(Brush);
        if (Convert.ToInt32(e.Row.Cells[e.Column.Name].Value) < 20)
            brush = Brushes.Red;
            brush = Brushes.Green;
        e.Graphics.FillEllipse(brush, rect);

Private Sub radGridView1_PrintCellPaint(sender As Object, e As PrintCellPaintEventArgs)
    If TypeOf e.Row Is GridViewDataRowInfo And e.Column.Name = "UnitsInStock" Then
        Dim side As Integer = e.CellRect.Height - 8
        Dim x As Integer = e.CellRect.X + 4
        Dim y As Integer = e.CellRect.Y + 4
        Dim rect As New Rectangle(x, y, side, side)
        Dim brush As Brush
        If CInt(e.Row.Cells(e.Column.Name).Value) < 20 Then
            brush = Brushes.Red
            brush = Brushes.Green
        End If
        e.Graphics.FillEllipse(brush, rect)
    End If
End Sub

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See Also

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