refer this Code ...
<asp:gridview id="grd_total_srq" runat="server" autogeneratecolumns="False" xmlns:asp="#unknown">
CssClass="GridView" DataKeyNames="srq_no"
Height="138px" onrowcommand="grd_total_srq_RowCommand" Width="262px"
AllowPaging="True" onpageindexchanged="grd_total_srq_PageIndexChanged"
onpageindexchanging="grd_total_srq_PageIndexChanging" PageSize="5">
<columns>
<asp:commandfield showselectbutton="True" />
<asp:boundfield datafield="srq_no" headertext="SRQ No" />
<asp:boundfield datafield="srq_date" dataformatstring="{0:d-MMM-yyyy}">
HeaderText="Date" />
<asp:commandfield showeditbutton="True" />
</asp:boundfield></columns>
<SelectedRowStyle
CssClass="srs" />
</asp:gridview>