John,

You need to find the grid as its JavaScript object, not just a DOM element in order to access its methods.  Additionally, trying to select the row in the Selection behavior's initialize event means selection isn't ready yet. You can do this in the grid's initialize event.

        function SelectRow() {
            var grid = $find("WebDataGrid1"); // my DataGrid has an Id of WebDataGrid1
            var gridRow = grid.get_rows().get_row(0);
            grid.get_behaviors().get_selection().get_selectedRows().add(gridRow);
        }

             <ClientEvents Initialize="SelectRow" />

regards,
Dave Young

Hi,

In order to do this, handler the Grid's Initialize event instead, when you try to do it in the Selection's Initialize event, the behavior has not finished initializing yet.  You can do this like so:

 <ig:WebDataGrid ID="WebDataGrid1" runat="server" Width="400px" Height="400px">   
 <Behaviors>   
  <ig:Selection RowSelectType="Multiple"> </ig:Selection>
 </Behaviors>
      
 <ClientEvents Initialize="GridInit" /> 
</ig:WebDataGrid>

function GridInit(grid, evntArgs)
{
 var row = grid.get_rows().get_row(0);
 grid.get_behaviors().get_selection().get_selectedRows().add(row);
}

Thank You,

Olga