Timer control causing error


Posted on 16th Feb 2014 07:03 pm by admin

I recently decided to add a timer control to an existing page that uses AJAX on my site. As soon as I added the timer control and ran my app, I started getting the following error:Description: 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.

Exception Details: System.InvalidOperationException: Script controls may not be registered before PreRender.

Did you know?Explore Trending and Topic pages for more stories like this.
Source Error:

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.
Stack Trace:

[InvalidOperationException: Script controls may not be registered before PreRender.]
System.Web.UI.ScriptControlManager.RegisterScriptControl(TScriptControl scriptControl) +236
System.Web.UI.Timer.OnPreRender(EventArgs e) +75
System.Web.UI.Control.PreRenderRecursiveInternal() +77
System.Web.UI.Control.PreRenderRecursiveInternal() +161
System.Web.UI.Control.PreRenderRecursiveInternal() +161
System.Web.UI.Control.PreRenderRecursiveInternal() +161
System.Web.UI.Control.PreRenderRecursiveInternal() +161
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1360
I've been using AJAX on this page for months. Why is this timer control suddenly causing me to get a control validation error? Chopped down version of the front end code:1 2 3 4 5 6 The error occurs on page load. I don't get any compilation errors. Any thoughts?
No comments posted yet

Your Answer:

Login to answer
81 Like 43 Dislike
Previous forums Next forums
Other forums

how to insert value
I am having file bookissueadd.php..... in which i am having tag

<td height="21&q

am I using this for loop correctly
Dear buddies!

Right now I am generating a report with some details for all the dealers.

login page does not execute a else statement
I've created a login page using sessions.
When an incorrect user name or password is entered then

Undefined Index Notice In Internet Explorer Only
I am getting the following notice:

QuoteNotice: Undefined index: jrox in /home/ycsn/public_h

newbie error
what is wrong with this code ?

<html>
<body>

<?

Aris, Netweaver BPM, Visual composer and X'app
Dear Experts,

Whats the relationship between the following components: Aris, Netweaver BP

timed header image rotation
I have a joomla site and I was trying to setup a rotating image based on timing NOT just refreshing

Save username into DB
OkaY so I got my blog to actually save the posts and whatever, all I need now is for it to keep the

Server side $_SESSION
how does one keep the session completely server side. no cookies to the browser at all. i need this

Why doesn't this work? (SSH2)
This is my script:

Code: <?php
$connection = ssh2_connect('213.251.167.109', 22);

Sign up to write
Sign up now if you have flare of writing..
Login   |   Register
Follow Us
Indyaspeak @ Facebook Indyaspeak @ Twitter Indyaspeak @ Pinterest RSS



Play Free Quiz and Win Cash