Register the component libraries

<%@ Register TagPrefix="DNL" Assembly="DbNetLink.DbNetSuiteVS" Namespace="DbNetLink.DbNetSuiteVS" %>

Server Control

<DNL:DbNetGrid 
	ID="DbNetGrid1" 
	runat="server" 
	ConnectionString="SamplesDatabase" 
	FromPart="[Order Details]" 
	OnAggregateCellDataBind="UpdateAggregateRow">
	<Columns>
		<DNL:GridColumn ColumnExpression="OrderID" />
		<DNL:GridColumn ColumnExpression="ProductID" />
		<DNL:GridColumn ColumnExpression="UnitPrice" />
		<DNL:GridColumn ColumnExpression="Quantity" />
		<DNL:GridColumn ColumnExpression="(UnitPrice * Quantity)" Label="Total" Aggregate="Sum" />
	</Columns>
</DNL:DbNetGrid>

Server-side script

///////////////////////////////////////////////////////////////
public void UpdateAggregateRow( object Sender, CellDataBindEventArgs Args)
///////////////////////////////////////////////////////////////
{
    ((System.Web.UI.WebControls.TableRow)Args.Cell.Parent).Cells[3].Text = "Overall Total";
    Args.Cell.Style.Add(HtmlTextWriterStyle.BackgroundColor, "gold");
}