Ajax Calender Extender Add To Grid View

 Calender not Display Properly within grid. So Add hidden textbox as target Control and set visibility false.
add calender extender and hidden text box within div . set div position relative. Then set hidden textbox date to textbox date using  OnClientDateSelectionChanged function as follows.

 <style type="text/css">
    .hiddenCol
    {
        visibility:hidden;
         padding:0;
         position:absolute;
         border:0;
        }
    </style>
   
  <script type="text/javascript">
        function checkDate(sender, args) {
        
            if (sender._selectedDate > new Date()) {
                alert("You cannot select a Future Date!");
                sender._selectedDate = new Date();
                // set the date back to the current date

            }

            sender._textbox.set_Value(sender._selectedDate.format(sender._format));
            var hiddenId=(sender._element.id);
            var elem = hiddenId.split('_');
            var textId = elem[0] + '_' + elem[1] + '_txtChequeDate';
            document.getElementById(textId).value = document.getElementById(hiddenId).value;
          
       }
          </script>

///---------------------------In Grid View
 

<asp:TemplateField HeaderText="ChequeDate">
                                        <ItemTemplate>
                                            <table>
                                                <tr>
                                                    <td>
                                                        <asp:TextBox ID="txtChequeDate" runat="server"  CssClass="Textboxstyle" Enabled="false"
                                                            TabIndex="17" Width="100px"></asp:TextBox>
                                                        <div style="padding: 0; position: relative;" >
                                                             <cc1:CalendarExtender ID="calDocDate" runat="server" TargetControlID="hidChequeDate"
                                                                PopupButtonID="btnChequeDate" OnClientDateSelectionChanged="checkDate2"  />
                                                                 <asp:TextBox ID="hidChequeDate"    Width="0px" Height="0px" runat="server" CssClass="hiddenCol"  />
                                                        </div>
                                                    </td>
                                                    <td valign="top">
                                                        <asp:Button ID="btnChequeDate" runat="server" BorderStyle="None" BorderWidth="0px"
                                                            CssClass="calender" Enabled="false" TabIndex="18" />
                                                    </td>
                                                </tr>
                                            </table>
                                         </ItemTemplate>                                               
                                    </asp:TemplateField>