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MasterPage And AjaxManager

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Ajax

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Aurelio Righetti asked on 18 Mar 2010, 10:30 PM

Hi all,
i have a problem with MasterPage and AjaxManager, this trivial example works with VS2008 but con VS2010 framework 4.0 reports an error and

I can not use the RadAjaxManager with the setting in a MasterPage.
PS) This sample is in a Help CHM: MasterPages: ajaxify and update controls in master and content page.
With Framework 3.5 work fine (Telerik Version 2010.1.309.35 RunTime:v2.0.50727)

Master Page:

    
            <%@ Master Language="C#" AutoEventWireup="true" CodeBehind="MasterPage.master.cs" Inherits="RadControlsWebApp1.MasterPage" %> 
        
            <!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"> 
        
                <telerik:RadScriptManager ID="RadScriptManager1" runat="server"> 
        
                    <Scripts> 
        
                        <%--Needed for JavaScript IntelliSense in VS2010--%> 
        
                        <%--For VS2008 replace RadScriptManager with ScriptManager--%> 
        
                        <asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.Core.js" /> 
        
                        <asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.jQuery.js" /> 
        
                        <asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.jQueryInclude.js" /> 
        
                    </Scripts> 
        
                </telerik:RadScriptManager> 
        
                <script type="text/javascript"> 
        
                    //Put your Java Script code here. 
        
                </script> 
        
                <telerik:RadAjaxManager ID="RadAjaxManager1" runat="server"> 
        
                    <AjaxSettings> 
        
                        <telerik:AjaxSetting AjaxControlID="btnDecrease"> 
        
                            <UpdatedControls> 
        
                                <telerik:AjaxUpdatedControl ControlID="TextBox1" /> 
        
                            </UpdatedControls> 
        
                        </telerik:AjaxSetting> 
        
                    </AjaxSettings> 
        
                </telerik:RadAjaxManager> 
        
                <telerik:RadSkinManager ID="RadSkinManager1" Runat="server" Skin="Office2007"> 
        
                </telerik:RadSkinManager> 
        
                <div> 
        
                <asp:LinkButton ID="btnDecrease" runat="server" OnClick="btnDecrease_Click">Decrease</asp:LinkButton> 
        
            <asp:TextBox ID="TextBox1" runat="server">0</asp:TextBox> 
        
                    <asp:ContentPlaceHolder ID="ContentPlaceHolder1" runat="server"> 
        
                    </asp:ContentPlaceHolder> 
        
                </div> 
        
                </form> 
        
            </body> 
        
            </html>

ContentPage:

    
            <%@ Page Title="" Language="C#" MasterPageFile="~/MasterPage.Master" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="RadControlsWebApp1.WebForm1" %> 
        
            <asp:Content ID="Content1" ContentPlaceHolderID="head" runat="server"> 
        
            </asp:Content> 
        
            <asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="server"> 
        
            </asp:Content>

This is the Javascript error:

'get_postBackElement().id' è nullo o non è un oggetto Telerik.Web.UI.WebResource.axd?_TSM_HiddenField_=RadScriptManager1_TSM&compress=1&_TSM_CombinedScripts_=%3b%3bSystem.Web.Extensions%2c+Version%3d4.0.0.0%2c+Culture%3dneutral%2c+PublicKeyToken%3d31bf3856ad364e35%3ait-IT%3a00000000-0000-0000-0000-000000000000%3aea597d4b%3ab25378d2%3bTelerik.Web.UI%3ait-IT%3aa491094c-5dfe-45a9-a72f-e5f5f0640d11%3a16e4e7cd%3af7645509%3a22a6274a%3aed16cbdc, Riga 1054 Carattere 1

If I hide hte AjaxSetting it works but is obviously made the postback the entire page:

    
            <%@ Master Language="C#" AutoEventWireup="true" CodeBehind="MasterPage.master.cs" Inherits="RadControlsWebApp1.MasterPage" %> 
        
            <!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"> 
        
                <telerik:RadScriptManager ID="RadScriptManager1" runat="server"> 
        
                    <Scripts> 
        
                        <%--Needed for JavaScript IntelliSense in VS2010--%> 
        
                        <%--For VS2008 replace RadScriptManager with ScriptManager--%> 
        
                        <asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.Core.js" /> 
        
                        <asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.jQuery.js" /> 
        
                        <asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.jQueryInclude.js" /> 
        
                    </Scripts> 
        
                </telerik:RadScriptManager> 
        
                <script type="text/javascript"> 
        
                    //Put your Java Script code here. 
        
                </script> 
        
                <telerik:RadAjaxManager ID="RadAjaxManager1" runat="server"> 
        
                </telerik:RadAjaxManager> 
        
                <telerik:RadSkinManager ID="RadSkinManager1" Runat="server" Skin="Office2007"> 
        
                </telerik:RadSkinManager> 
        
                <div> 
        
                <asp:LinkButton ID="btnDecrease" runat="server" OnClick="btnDecrease_Click">Decrease</asp:LinkButton> 
        
            <asp:TextBox ID="TextBox1" runat="server">0</asp:TextBox> 
        
                    <asp:ContentPlaceHolder ID="ContentPlaceHolder1" runat="server"> 
        
                    </asp:ContentPlaceHolder> 
        
                </div> 
        
                </form> 
        
            </body> 
        
            </html>

I use the versione of ASP.NET AJAX 2010 Q1 2010.1.309.40 RunTime:v4.0.30128
Tnks Aurelio

2 Answers, 1 is accepted

answered on 19 Mar 2010, 08:45 AM

Hello Aurelio,

The problem is related to a bug in the 4.0 version of the .Net Framework which prevents RadAjaxManager from working properly in Master/Content page scenarios. To workaround it you can set ClientIDMode of the page to "AutoID". You can also read the following blog post for more details about this.

I can also inform you that the issue in the Framework is fixed by Microsoft and RadAjaxManager will work for the final release of VS2010 and .Net 4.0 in such a scenario.

Sincerely yours,
Pavel
the Telerik team

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MasterPage And AjaxManager

2 Answers, 1 is accepted