how to delete the row from grid view using command field

[hello12356789]

i have created the code like this
<asp:GridView ID="grd" runat="server" AutoGenerateColumns="False"
onselectedindexchanged="grd_SelectedIndexChanged" Width="100%">
<Columns>
<asp:BoundField DataField="ID" HeaderText="Budget ID" />

<asp:CommandField HeaderText="Delete" ShowDeleteButton="True" />
</Columns>
</asp:GridView>

a show delete field will appeat at run time.
i want to delete the row from the gridview.can anybody tell me how to do it?when i will click on the delete field at the execution time.

[kenobewan]

You need a sqldatasource with a delete command.