AJAX :: ScriptManager Not Found On The Page (although It Is On Page)?
Feb 3, 2011
I've upgraded my web application from ASP.NET 2.0 framework to 3.5. I've also updated AJAX toolkit from 2.0 to 3.5. The updated was made on 20th of January.
However today the application started giving me error that there is no ScriptManager on the page although it's (I'm using AJAX ModalPopupExtender on 2 pages). I didn't change anything on the pages except yesterday I've added one ASCX control to both pages but problem doesn't disappear even if I remove the control.
Basically the thing stopped working for no particular reason. I will try to reinstall the AJAX toolkit and I think that there are maybe somethings to change in web config but it's strange since it worked perfectly until few hours ago.
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<asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>
I am using this with update panel it works fine.
Now i have added modal popup. Used ajax 15.1 toolkit. they said it doesnt require ajax script manager now.)
When i use it without ajaxscript manager it doesnt work. But when i use ajaxscript manager it works. But then i cant use scriptmanager (as two instance cant run).If i dont use script manager update panel wont work. Also i dont dont have any master page.
<cc1:ModalPopupExtender ID="mp1" runat="server" PopupControlID="Panel1" TargetControlID="btnShow"
CancelControlID="btnClose" BackgroundCssClass="modalBackground">
</cc1:ModalPopupExtender>
<cc1:ToolkitScriptManager ID="tksc" runat="server"></cc1:ToolkitScriptManager>
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Sep 25, 2010
I am obviously confused by ScriptManager and ToolKit. Can you look at the code below?
[Code]....
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Jun 30, 2012
i use 2 file up load control in my page i used this code
<asp:ToolkitScriptManager ID="ToolKitScriptManager2" runat="server"></asp:ToolkitScriptManager>
<asp:UpdatePanel ID="Upbdt1" runat="server">
<ContentTemplate>
<asp:ModalPopupExtender DropShadow="true" ID="ModalPopupExtender1"
[code].....
I wrote these code twice in my page but when i run page this error occur..Only one instance of a ScriptManager can be added to the page. An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.Â
Exception Details:Â System.InvalidOperationException: Only one instance of a ScriptManager can be added to the page.Source Error:Â An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
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Jan 14, 2011
I am using Master pages for my ASP.NET website and in one of the content pages I upload a file which requires a bigger timeout value than the default 90 seconds. for other content pages I want to leave the default timeout value as it is. is it possible to set the timeout just for a specific content page? I checked the ScriptManagerProxy component, but it doesn't have this AsyncPostBackTimeout property.
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Mar 23, 2010
I'm trying to do the next steps:1 - Click in submit Button inside update panel to make some server work - Ok
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Confirm.aspx:
function confirmSubmit(buttonId, msg)
{
[code]...
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Dec 4, 2010
During development of my site, I have optimized for all the common browsers, including Chrome and it works fine when tested locally on my dev machine. However, I have found out that when put on my live dedicated server, the pages that are delivered to Chrome do not contain the AJAX scripts and for example the treeview, which should load its branches dynamically, renders in such a way that a full postback occures. This completely breaks the site in Chrome.
Considering all things I could deduce about the problem, I would suppose that I may need a newer version of MS AJAX that supports Chrome, but I cannot find any version older than Feb 2007 and anyway, Microsoft .NET Framework 3.5 SP1 is installed on the live server. That should contain the propper MS AJAX anyway, shuldn't it?
I've been researching this for more than a whole day now and cannot figure out what's wrong. I even matched and compared all settings of the site on IIS 7 on both my dev machine and the live server. Except a couple of, as far as I can say, unrelated additional entries on the live server, those are identical as well.
I tested using Fiddler that all the difference is made by the User-Agent request header. If I just add
[Code]....
behind the "Mozilla/5.0" bit, all is fine and I get response containing all it should. I suppose I could create a HTTP module that would add that bit to the mentioned header and then add that handler to the pipeline, but that would be an ugly solution, curing the effect, not the cause of the problem. And it may cause other problems in Chrome, too.
So my question is: What do I have to do (set up, instal) on the server so that the MS AJAX framework actually realizes that it can also handle Chrome?
I'm going to include few snippets of code to demonstrate the differences between the same page loaded in the same Chrome, but from two different sources - my dev machine's IIS (A) and from the live server (B). The applications running on both of these web servers are identical.
And the following shows the difference in generated HTML at the top of the <body> element:
A:
[Code]....
B:
[Code]....
There is still the typeof(Sys) === 'undefined' bit of code, which tells me that ScriptManager is still being loaded, but decides that other AJAX script should not be. But it does not even initialize itself so Sys is in fact undefined after the page is loaded.
There are also differences at the end of body:
A:
[Code]....
versus B:
[Code]....
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May 20, 2010
I am hoping I am in the right place for this, I have a web application which has been running for about 4 years recently I updated my Ajax to the most recent version it continued to work OK then I changed from ScriptManager to ToolkitScriptManager now I get an error moving from my default page
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Feb 27, 2010
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Oct 23, 2010
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Error seen when "viewing source":
(script src="/ScriptResource.axd?d=cN6E-bUIIAhb0PYSsbqev2ndhi3W3ltVtHjrJ-T5yBfO3jQBEHWjU39PLAybm-JIxwU4s59EhJFweLHmABl1zA2yo8fKhHYHGS7RTy1fhECuWqXbMMy5aCuSlqHbfp3advQcwp11SqaDwkvU1YN6Bw2&t=ffffffffbd2983fc" type="text/javascript")(/script)
(script type="text/javascript")
//(![CDATA[
if (typeof(Sys) === 'undefined') throw new Error('ASP.NET Ajax client-side framework failed to load.');
//]])
(/script)
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Sep 6, 2010
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Aug 17, 2010
I'm trying to use the
ajaxtoolkit dynamic poplulate..
+ $exception {"The TargetControlID of 'DynamicPopulateFileDownloadUI' is not valid. A control with ID 'PanelDownLoadUI' could not be found."} System.Exception {System.InvalidOperationException}
[Code]....
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Feb 8, 2011
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ScriptManager.GetCurrent(page);
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ScriptResourceDefinition definition,
ResourceType type)
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Aug 19, 2010
How do i handle 404 page not found?
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May 25, 2010
Is it possible to put a ScriptManager Control in a Content Page?I've tried inserting a ScriptManager, UpdatePanel, and ContentTemplate within the ContentPlaceHolder1 of one of my pages and it's not working.
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Apr 13, 2010
We are rendering usercontrols dynamically like this:
[Code]....
This lets us the same user controls when rendering pages normally as we do when rendering responses to ajax calls. However, when adding controls which themselves contain a scriptmanagerProxy we run into the problem that the newed up Page object doesn't contain either a ScriptManager or the HtmlForm in which the ScriptManager needs to run.
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I design an ASP.NET web usercontrol and with a maskeditor and scriptmanager, I always get an object reference not set to an instance of an object exception at runtime.
Stacktrace is:
[InvalidOperationException: Only one instance of a ScriptManager can be added to the page.]
System.Web.UI.ScriptManager.OnInit(EventArgs e) +384613
System.Web.UI.Control.InitRecursive(Control namingContainer) +333
System.Web.UI.Control.InitRecursive(Control namingContainer) +210
System.Web.UI.Control.InitRecursive(Control namingContainer) +210
System.Web.UI.Control.InitRecursive(Control namingContainer) +210
System.Web.UI.Control.InitRecursive(Control namingContainer) +210
System.Web.UI.Control.InitRecursive(Control namingContainer) +210
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +378
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Aug 21, 2011
I have a small website that uses 1 masterpage and several content pages. I'm able to insert a <ScriptManager> onto my content pages (just a couple of them). However, when I try to insert the <UpdatePanel>, it won't take it. I tried to wrap the <UpdatePanel> around a <Div> and it didn't like that, so then I tried wrapping the <UpdatePanel> around the actual textbox and it didn't like that. Below is some sample code.
Code:
<%@ Page Title="" Language="vb" AutoEventWireup="false" MasterPageFile="~/Site1.Master" CodeBehind="Profile.aspx.vb" Inherits="PF.Profile" %>
<asp:Content ID="Content3" ContentPlaceHolderID="contentProfile" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>
<div class="ProfileDIV" style="width: 48%;">
[Code]....
How can I incorporate the <ScriptManager>/<UpdatePanel> onto my content pages?
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May 17, 2010
I want to place several composite scripts to Page. But ScriptManager contains non-Enumerable property CompositeScript.
Is it possible to register several CompositeScript`s per Page?
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Jan 14, 2011
I am using Master pages for my ASP.NET website and in one of the content pages I upload a file which requires a bigger timeout value than the default 90 seconds. for other content pages I want to leave the default timeout value as it is. is it possible to set the timeout just for a specific content page? I checked the ScriptManagerProxy component, but it doesn't have this AsyncPostBackTimeout property.
View 1 Replies
Mar 24, 2010
I recently added a Telerik control to an ascx that is included in an aspx page. This page has a "Send email" button, which when clicked will email the user the rendered output of the page. The Telerik control I added requires a ScriptManager, so I added that to the ascx. However, now the email button won't work. I get the following error:
The control with ID 'myIdHere' requires a ScriptManager on the page. The ScriptManager must appear before any controls that need it.I know the script manager exists because the page works fine when I go that url, it is only failing when it tries to email the rendered output.Here's a code snippet, any ideas as to whether there is a problem with scriptmanager when doing this sort of thing?
Page EmailPage = new EmailBasePage();
System.Web.UI.HtmlControls.HtmlForm EmailForm = new System.Web.UI.HtmlControls.HtmlForm();
[code]...
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Sep 3, 2010
I got a problem in my Asp.net application.When I try to save some data, I check if the data is right, When not I call a jquery dialog with the error message. But when my jquery dialog appears, my background form dissapears.and I get a javascript error: "html parsing error unable to modify the parent container element before the child element is closed".This is my jquery dialog call in codebehind:
string script = "openDialog('" + text + "', '" + title + "');";
ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "open", script, true);
function openDialog(text, title) {
ar $dialog = $('<div></div>')
.html(text)
[code]...
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