Sys.InvalidOperationException: Could not find UpdatePanel with ID 'ctl00_ContentPlaceHolder1_updatePanel1'. If it is being updated dynamically then it must be inside another updatepanel'
The error usually occurs when we add some user controls(child controls) inside another user control(parent control) or in a similar situation using Web Parts. Modifying a property of an Update Panel in the child control usually throws an error. However, this is only if the Update Panel in the child control is not inside the
In lay man terms we are supposed to treat the Update Panel of the parent control as a PlaceHolderControl for the Child Controls which are inside unique Update Panels already.
Hope that helps.
Please feel free to comment and seek clarifications if required.
8 comments:
buf... i have this problem, but cant find any solution
Hello I have same problem .. i am getting same error can u explain me how to resolve the error..
Thanks
Niranjan
here is only problem description but where the answer. i need slution of it..
I ran across this issue before, I solved it , by changing the update mode on the panel from conditional to always.
P.S. I had this particula problem doing response.redirect.
Hope it helps, this one is for the people.-
i also have the same problem. In my senario main page have wep part and that contains the one usercontrol that has some panel. some of the panel si set with update mode always and some of the panel is with updatemode =conditional.
Can any body explain how to resolve.
Thanks
santosh
Ok,
So I had the same problem and figured it out for anyone who is interested.
I noticed that I just couldnt get the update panel to work on a certain page but it was working on other similar pages. I tracked it down to
Header.Controls.Add(new HtmlMeta { Name = "description", Content = description });
I also found an article which said something about Header.Controls.Add not been compatible with AJAX.
I had this same line of code on other pages and it was working fine. I them notices that this line of code was getting called
if (!IsPostBack)
{
Header.Controls.Add.......
}
and other pages it was outside of the !IsPostback. I moved this and all was fixed.
Hopefully this is something similar to what your experiencing.
I was getting this message when the UpdatePanel was inside one of the views of a MultiView. It went away when I moved the MultiView inside the UpdatePanel, instead of the other way around.
I Solve This Problem By Closing an un closed HTML < DIV > inside the ASPX page!!!
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