Telerik RadWindow opens only first time after pageload

[Arsalan]

This is my .aspx code

<telerik:RadWindow  ID="modalPopup" runat="server" Width="360px" Height="360px">
               <ContentTemplate>
                    <p style="text-align: center;">
                     <h3>Data</h3>

                     <telerik:RadGrid ID="RGrid" runat="server" AllowPaging="true" AllowSorting="true" OnNeedDataSource="RGrid_NeedDataSource">
                     <MasterTableView AutoGenerateColumns="true"></MasterTableView>
                     </telerik:RadGrid>    
                    </p>
               </ContentTemplate>
          </telerik:RadWindow>


<telerik:RadCodeBlock runat="server" ID="rdbScripts">
          <script type="text/javascript">

              function showDialogInitially() {
                  //alert("786");

                  var wnd = $find("<%=modalPopup.ClientID %>");
                 wnd.show();

               //   Sys.Application.remove_load(showDialogInitially);
              } 

          </script>
     </telerik:RadCodeBlock>

this is onbuttonclick code

<telerik:RadButton ID="btnPreview" Text="Preview" runat="server" OnClientClicked="showDialogInitially()" />

It is working only first time but as I close the window and press button again It does not open anymore.
i have already tried this code.
<telerik:RadButton ID="btnPreview" Text="Preview" runat="server" OnClientClicked="showDialogInitially" AutoPostBack="false" />
But its does not work

[Marin Bratanov]

Hi Arsalan,

There is no reason for this not to work in the attached snippet. I just tried it myself and it worked as expected. You can find attached my test page and a short video from my experiment as a reference.
At this point I can advise the following:
- make sure there are no JavaScript errors on the page
- make sure the function is not called too early from server-side code, as I see remnants of such attempts in it. Examine this article on the matter: http://www.telerik.com/help/aspnet-ajax/radwindow-troubleshooting-javascript-from-server-side.html.
- compare your actual setup with mine to find the difference that causes the problem
- if neither helps, post the modifications to my page needed to observe the issue with this page, so I can actually investigate it.


Regards,
Marin Bratanov
Telerik

[Arsalan]

Thanks Marin Bratanov