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how to avoid grid view function calling repeatedly in itemtemplate

Posted By:      Posted Date: September 20, 2010    Points: 0   Category :ASP.Net
 


Hi

i have a grid view control

 <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" OnRowUpdating="Update_1"
                    OnRowDeleting="Delete_1" OnPageIndexChanging="OnPaging" OnRowEditing="Edit_1"
                    OnRowCancelingEdit="CancelEdit" PageSize="10">
                    <Columns>
<asp:TemplateField>
                              <ItemTemplate>
                                <table>
                                    <tr>
                                        <td align="left" width="100">
                                            <cc1:CalendarExtender ID="cal" runat="server" TargetControlID="txtDate" PopupButtonID="btnpopupCalendar"
                                            >
                                            </cc1:CalendarExtender>
                                            <asp:Button ID="btnpopupCalendar" runat="server" Text="Show Calendar"  />
                                        </td>
                                        <td align="left" width="100">
                             


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