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EPiServer CMS 6.0.530.0 + .NET 4.0 problem
I think this is related to changes in ID generation for webforms. There is a javascript function related to the edit tree that makes certain assumptions about control IDs.
Apr 13, 2010 14:57
Sorry EPiserver CMS 5 or 6 don't officaly support .NET4, at the moment we only support Microsoft .NET Framework 3.5 SP1
Please read the System Requirements
/Pelle
Edited,
Apr 22, 2010 17:15
I just did a quick test installing CMS 6 with public templates, and got it working (thanks to Cristians tip) by setting the clientIDMode attribute of the system.web/pages element to AutoID.
If you don't want to do this for you whole site, I know I don't, you can set it just for the UI and Util locations!
I set the controlRenderingCompatibilityVersion to 3.5 as well just to be safe...
Haven't tried workflows or content channels or mirroring but everything seems find so long...
Edited,
Apr 23, 2010 5:32
Just found another issue: When trying to save a page, the tougher request validation in 4.0 doesn't let the post through. This can again be easily fixed by setting <httpRuntime requestValidationMode="2.0" /> in web.config.
As with the clientIDMode you could limit it to the UI and Util locations, but only if you are not using the Edit-on-page feature. If this is enabled you need to change the validation mode for the whole site.
For more infor, see: http://www.asp.net/learn/whitepapers/aspnet4/breaking-changes/#0.1__Toc256770147
Keep truckin'
H
Edited,
Apr 23, 2010 5:52
Regarding "when is support for .NET 4 planned": .NET 4 support is in the top of our backlog but we cannot today tell when we will have full support for it available. We´ll come back to this as soon as we have more information to give.
Apr 23, 2010 9:44
I found myself in with a similar problem but a different solution:
After installing .NET 4.0 I had the exact same problem with expanding nodes. The problem in our case was because of an "upgrade" of the web.config adding the line <xhtmlConformance mode="Legacy" />.
Removing this line solved the problem.
Detail: When in Legacy-mode control-ID's will have a "_"-prefix (_ctl0xxx instead of ctl00xxx). This made the xmlResponse-calls map to non-existing controls since there is a line of javascript in WebResource.axd (so not editable by us mortals) replacing "_" with "$"...
Aug 27, 2010 16:01
I'm assuming you all know that EPiServer officially support .net 4 now?
http://world.episerver.com/Articles/Items/EPiServer-CMS-60-now-supporting-ASPNET-40/
Sep 08, 2010 1:54
Glad it helped - there is a package on the EPiServer Nuget Feed http://nuget.episerver.com/ called EPiServerCMS6ToNetFour that will do all the conversion work for you.
Mar 13, 2012 14:04
I don't believe I've ever thanked you for that NuGet package David. So: THANK YOU! :)
Mar 13, 2012 15:42
This thread is locked and should be used for reference only. Please use the Episerver CMS 7 and earlier versions forum to open new discussions.
Hi,
Since Microsoft release VS 2010 and .NET Framework 4.0 yesterday, I tried it out by converting an Episerver project. Almost everything seems to run smoothly except one thing.
In Edit Mode I get an error when clicking a "+" to expand a parent node in the tree view. A popup says:
"Error: The target 'FullRegion$explorerTreeView$treeView' for the callback could not be found or did not implement ICallbackEventHandler".
Any clues?
/ Thomas