A class of the System.Web.UI namespace, the UpdatePanel Enables sections of a page to be partially rendered without a postback.

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217 views

Updatepanel Leaks Memory in Webpart

I've got a very simple visual webpart and I'm trying to figure out why. In IE9, after about 10 minutes, memory usage has slowly climbed up about 5MB. If I let it keep running, it'll just keep on ...
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1answer
102 views

Sys.InvalidOperationException when trying to edit page in sharepoint 2010

I added a webpart through VS2010. It is a Simple webpart containing ajax script manager,timer and update panel. what it does is it shows the current server time in a label. After i deploy it into my ...
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367 views

Uncaught Sys.ArgumentNullException: Sys.ArgumentNullException: Value cannot be null. Parameter name: panelsCreated[1]

I am using JavaScript to pull events for the current day of the week. I am leveraging SP.Services to do this. The problem I am having seems to be the same that a lot of others have experienced ...
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1answer
70 views

Update Custom Webpart with timer

I have a C# custom webpart in sharepoint 2013, display listview from a document library. This library will be updated if we submit a form. I want to update this Webpart each x time. Here is my code: ...
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2k views

Errors with ViewState Cache and Update Panel

We have an application page that stores some information in the view state, and uses UpdatePanels. We have a rare, intermittent bug that occurs in SharePoint 2013 only whereby sometimes, after a ...
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895 views

Update Panel Error

I am working with SharePoint 2010 features. I am writing feature receiver code where I create new web part pages with ReportViewerWebPart and my custom web part on the page. I am creating multiple ...
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382 views

Update panel not working in Safari browser

I have a visual web part in which one button and a label inside an update panel. When I run the web part in IE and Firefox it works fine but it does not work in Safari. My declarative part is: ...
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18 views

Strange behavior appears when using Updatepanel on web part in Sharepoint 2013

Strange behavior appears when using Update-panel on web part in Share-point 2013. In FF and Chrome post-back leads to full page refresh after small idle between requests (around 2 minutes). Example: ...
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150 views

Update Panel doesn't work inside web part zone

I have a visual web part that works if you insert it directly into the page layout, but not when you add it to a web part zone. The page: <asp:UpdatePanel ID="UPnlArticle" runat="server"> ...
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578 views

Updatepanel with ajaxcontroltoolkit postback issue on Sharepoint 2013

We have an custom web part that stores some information in the view state, and uses Update Panels. We have rare, intermittent bug that occurs in SharePoint 2013 only whereby sometimes, after button ...
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478 views

Update panel issue in visual web part

I have created a web part using update panel and the page where I placed that web part there is also a task list with timeline view. My problem is that whenever my update panel gets posted back the ...
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9 views

“Element UpdatePanel is not known element”

I'm trying to put an UpdatePanel in a custom user control but I receive the warning in the title. I've already registered the assemblies in the page: <%@ Register TagPrefix="asp" ...
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35 views

Insert webpart control disabled When my custom webpart control is added

I have created a visual web part that has ajax script manager, update panel and timer controls in visual studio 2010. When add this webpart to a Webparts Page it is working okay. But after I add this ...
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266 views

The PageRequestManager cannot be initialized more than once - UpdatePanel - Sharepoint 2013

I am new to Sharepoint 2013, I have created a WebPart using Visual Studio 2013 and Deployed into my site, I have googled lots about this issue but not found any solution. I am using UpdatePanel and ...
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74 views

NullReferenceException when attempting to read from SPList on postback in UpdatePanel

I am developing a SharePoint 2013 Events Calendar Visual Web Part which relies on a SharePoint list to display event data asynchronously. I've tested the concept in a raw ASP.NET environment and it ...
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74 views

Update webpart sharepoint 2013 with jquery

I want to update my custom webpart, I tried the UpdatePanel but it updated all the Webparts in my page, so I looked for the Webpart Id then I wrote a script : <script> ...
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85 views

Dropdown in update panel doesn't work

I have a dropdown list inside an update panel. When user change value in dropdown list, update panel should be updated. It works on my local machine, but when I move my solution to production it works ...
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180 views

Update panel AsyncPostBack not update pannel

I'm create simple visual webpart, but update panel not update updatepanel1 if is using async callback. Response from button click: http://pastebin.com/zWmPL4XB, if use PostBackTriger it work fine. ...
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320 views

Adding a SharePoint list to an Update Panel

I am trying to add a SharePoint list to an AJAX Update Panel. I am doing this by adding a ListViewWebPart to the Update Panel. My code: SPList fcsRequestList = web.Lists.TryGetList("Requests List"); ...