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[Solved] open radwindow from a radwindow

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answered on 28 Apr 2009, 12:29 PM

windowmanageronmaster.zip

Hello Raymond,

I prepared a working demo based on the information that is on the link provided by Georgi Tunev. Please find it attached.

I hope this helps.

Best wishes,
Fiko
the Telerik team

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answered on 29 Apr 2009, 02:59 AM

Hi,

I tried your demo, it works. But in my case, it doesn't.

My original javascript:

    function showMessageWindow() {
     // open the default error radwindow
     var oBrowserWnd = GetRadWindow().BrowserWindow;
     var w = oBrowserWnd.radopen('/Common/RadWindows/MessageWindow.aspx', 'rwMessageWindow');
     w.setSize(400, 300);
    }

The above works.

If i change as follows:

    function showMessageWindow() {
     // open the default error radwindow
     var parentWindow = GetRadWindow().get_windowManager();
     var oWindow = parentWindow.open('/common/RadWindows/MessageWindow.aspx', 'rwMessageWindow');
     oWindow.setSize(400, 300);
    }

It doesn't work, with the following error:

Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; Trident/4.0; GTB6; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; InfoPath.2; .NET CLR 3.5.21022; .NET CLR 1.1.4322; .NET CLR 3.5.30729; .NET CLR 3.0.30618)
Timestamp: Wed, 29 Apr 2009 02:58:16 UTC

Message: 'undefined' is null or not an object
Line: 70
Char: 6
Code: 0
URI: http://local.intranet/functions/intranetadmin/countrysettings/Edit.aspx?cc=NEW

answered on 29 Apr 2009, 04:31 AM

I have created the similar pages:

1) MasterPage:

    
            <%@ Master Language="VB" CodeFile="MasterPage.master.vb" Inherits="Test_MasterPage" %> 
        
            <%@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI" TagPrefix="telerik" %> 
        
            <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
        
            <html xmlns="http://www.w3.org/1999/xhtml">  
        
            <head runat="server">  
        
                <title></title>  
        
                <asp:ContentPlaceHolder ID="head" runat="server">  
        
                </asp:ContentPlaceHolder> 
        
            </head> 
        
            <body> 
        
                <form id="form1" runat="server">  
        
                    <div> 
        
                        master page  
        
                        <telerik:RadScriptManager ID="RadScriptManager1" runat="server">  
        
                        </telerik:RadScriptManager> 
        
                        <telerik:RadWindowManager ID="RadWindowManager1" runat="server">  
        
                        </telerik:RadWindowManager> 
        
                        <asp:ContentPlaceHolder ID="ContentPlaceHolder1" runat="server">  
        
                        </asp:ContentPlaceHolder> 
        
                    </div> 
        
                </form> 
        
            </body> 
        
            </html>

2) Default.aspx

    
            <%@ Page Title="" Language="VB" MasterPageFile="~/Test/MasterPage.master" 
        
                AutoEventWireup="false" CodeFile="default.aspx.vb" Inherits="Test_default" %> 
        
            <%@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI" TagPrefix="telerik" %> 
        
            <asp:Content ID="Content1" ContentPlaceHolderID="head" runat="Server">  
        
            </asp:Content> 
        
            <asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">  
        
                <script type="text/javascript">  
        
                    function openRadWindow() {  
        
                        var oWindow = radopen('http://www.google.com', 'abc');  
        
                        oWindow.setSize(500, 500);  
        
                        oWindow.center;  
        
                    }  
        
                </script> 
        
                <h5> 
        
                    here the content page</h5> 
        
                <asp:LinkButton ID="lnkOpenClientClick" Text="click here to open dialog - onclientclick" 
        
                    runat="server" OnClientClick="openRadWindow();return false" /> 
        
                <br /> 
        
                <br /> 
        
                <asp:LinkButton ID="lnkOpenServer" Text="click here to open dialog - server response" 
        
                    runat="server" /> 

                <telerik:RadCodeBlock ID="RadCodeBlock1" runat="server">  
        
                    <script type="text/javascript">  
        
                            <%=_scriptToRun%> 
        
                    </script> 
        
                </telerik:RadCodeBlock> 
        
            </asp:Content>

3) Default.aspx.vb

    
            Partial Class Test_default  
        
                Inherits System.Web.UI.Page  
        
                Public _scriptToRun As String  
        
                Protected Sub lnkOpenServer_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles lnkOpenServer.Click  
        
                    _scriptToRun = "openRadWindow();" 
        
                End Sub  
        
            End Class

You can see that there are two buttons, one using OnClientClick, one using server postback. The former one works as your demo. However, if I run the latter one, it doesn't work, and comes up with error.

I want to use the second method (server postback) because I need to verify something before i popup the window.

Thanks

Raymond

answered on 29 Apr 2009, 03:41 PM

Hi Raymond,

About the showMessageWindow function :
This error may be caused if you open a first RadWindow outside of the RadWindowManager and its get_windowManager() function returns 'null' respectively.
In your case, you need to declare the first opened RadWindow inside the <window> collection of the windowmanager as follows :

    
            <telerik:RadWindowManager ID="RadWindowManager1" runat="server"> 
        
                <Windows> 
        
                    <telerik:RadWindow ID="RadWindow1" runat="server"> 
        
                    </telerik:RadWindow> 
        
                </Windows> 
        
            </telerik:RadWindowManager>

As alternative, also, you can open the first window by using the radopen() function (I recommend that approach). This function creates and opens a new window (if the window already exists, it will not be created) and adds it to the window collection automatically( if it does not exist in the collection). In this case I recommend you remove the first RadWindow declaration from the page or move it in the window collection of the RadWindowManager.

In reference to the second question : More details about opening the RadWindow from codebehind and full working demos can be found on this KB article.

I hope this helps.

Greetings,
Fiko
the Telerik team

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