RadWindow closes automatically when calling from user control

[Uwe]

Hi,
I'm having a strange behaviour in the following scenario:

A textbox and a button on a webform. Clicking the button opens a modal dialog with a grid. After closing the popup, the value selected in the grid in written into the text field. I used the following code to open the dialog:

<telerik:RadCodeBlock ID="RadCodeBlock1" runat="server">
    <script type="text/javascript">
     function ShowDialog()
    {
        window.radopen(null, "winSearchDialog");
    }
    </script>
</telerik:RadCodeBlock>

<telerik:RadWindowManager ID="RadWindowManager1" runat="server" Overlay="false">
    <Windows>
        <telerik:RadWindow ID="winSearchDialog" runat="server" Width="600px" Height="600px" Modal="true"
            Title="Select BP" NavigateUrl="~/Pages/Parent2Popup.aspx" />
    </Windows>
</telerik:RadWindowManager>

This works fine when using the code snippet on a web form.

But I need to use this code in a user control. The user control contains the same textbox and button with the same code snippet.
After opening the modal dialog closes automatically after 1-2 seconds. This is really strange.

Thanks for help,
Uwe

[Iana Tsolova]

Hello Uwe,

Based on the provided information it is hard to determine what is the cause of the problem. Can you try preparing a sample project illustrating the problem and send it to us? For that purpose, you will need to open a formal support ticket where you would be able to attach a zipped version of the project.

Regards,
Iana
the Telerik team

[Uwe]

Hello Iana,
thanks for your reply. But I solved the problem this morning. :-)
This behaviour is caused because of the postpack when clicking the button to open the popup.

I added the command "return false" to the OnClientClick event of the Button to prevent a postback. This works fine and my popup keeps openend. :-)

<asp:ImageButton ID="btnSearch" runat="server" ImageUrl="~/App_Themes/Search.png" OnClientClick="ShowDialog(); return false;" />

But this solution is not right perfect for me because after closing the popup a postback is raised that takes to much time. Is there another even better solution that you know?

Here is the scenario again:
I need a textbox and a button in a user control. Clicking the button opens a RadGrid in a modal popup. After closing the popup, the value selected in the grid in written into the text field. That's all! ;-)

But I could not find a good usable example for that scenario yet.

Thanks for your help again,
Uwe