I have calendar controls on my popup panel, but they doesn't react on click at all(not change months, days ..). When I put them out the panel it works fine. Does anybody know what can be problem ?
<div style="position: relative;">
<div style="position: absolute; left: 100px; top: -200px">
<asp:UpdatePanel ID="upTemp" runat="server">
<ContentTemplate>
<asp:Panel ID="pnlReserve" runat="server" Visible="false" Width="800" Height="600"
BackColor="Aqua">
<asp:UpdatePanel ID="upReserve" runat="server">
<ContentTemplate>
<table>
<%-- <tr>
<td>
<asp:Label ID="lblName" runat="server" Text="Name:"></asp:Label>
<asp:TextBox ID="txtName" runat="server"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<asp:Label ID="lblLastName" runat="server" Text="Last name:"></asp:Label>
<asp:TextBox ID="txtLastName" runat="server"></asp:TextBox>
</td>
</tr>--%>
<tr>
<td>
<asp:Label ID="lblStart" runat="server" Text="Start date:"></asp:Label>
<asp:Calendar ID="clStart" runat="server" Enabled="true" Width="300"></asp:Calendar>
</td>
<td>
<asp:Label ID="lblEnd" runat="server" Text="End date:"></asp:Label>
<asp:Calendar ID="clEnd" runat="server"></asp:Calendar>
</td>
</tr>
</table>
</ContentTemplate>
</asp:UpdatePanel>
</asp:Panel>
</ContentTemplate>
</asp:UpdatePanel>
</div>
<asp:UpdatePanel ID="upGrid" runat="server" UpdateMode="Always">
<ContentTemplate>
<asp:GridView ID="gdvCar" runat="server" OnRowCommand="gdvCar_RowCommand" GridLines="Horizontal"
OnRowDataBound="gdvCar_DataBound">
<Columns>
<asp:BoundField DataField="id" Visible="false" />
<asp:BoundField DataField="producer" HeaderText="PROIZVOĐAČ" />
<asp:BoundField DataField="model" HeaderText="MODEL" />
<asp:BoundField DataField="year" HeaderText="GODIŠTE" />
<asp:BoundField DataField="price" HeaderText="CENA" />
<asp:BoundField DataField="weight" HeaderText="TEŽINA" />
<asp:BoundField DataField="number_seats" HeaderText="BROJ SEDIŠTA" />
<asp:TemplateField>
<ItemTemplate>
<asp:Image ID="imbPhotoOne" runat="server" Width="96" Height="96" ImageUrl='<%# "images/car/"+Eval("photo_one") %>' />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<asp:Image ID="imbPhotoTwo" runat="server" Width="96" Height="96" ImageUrl='<%# "images/car/"+Eval("photo_two") %>' />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<asp:Image ID="imbPhotoThree" runat="server" Width="96" Height="96" ImageUrl='<%# "images/car/"+Eval("photo_three") %>' />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<asp:ImageButton ID="imbReserve" runat="server" Width="48" Height="48" ImageUrl="images/icons/key.gif"
CommandName="Reserve" CommandArgument='<%# Bind("id") %>' />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<asp:ImageButton ID="imbphone" runat="server" Width="48" Height="48" ImageUrl="images/icons/phone.jpg"
CommandName="Reserve" CommandArgument='<%# Bind("id") %>' />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<asp:ImageButton ID="imbEmail" runat="server" Width="48" Height="48" ImageUrl="images/icons/email.jpg"
CommandName="Reserve" CommandArgument='<%# Bind("id") %>' />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<asp:ImageButton ID="imbEdit" runat="server" ToolTip="Izmena" AlternateText="Izmena"
ImageUrl="images/icons/edit.png" Width="48" Height="48" CommandName="Izmena"
CommandArgument='<%# Bind("id") %>' />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<ac:ModalPopupExtender ID="mod" runat="server" TargetControlID="ctl00$content$gdvCar$ctl02$imbReserve"
PopupControlID="pnlReserve" X="200" Y="200">
</ac:ModalPopupExtender>
</ContentTemplate>
</asp:UpdatePanel>
</div>
</div>