DevForce Community Forum : IEditableObject.CancelEdit() Error http://www.ideablade.com/forum/ This is an XML content feed of; DevForce Community Forum : DevForce 2010 : IEditableObject.CancelEdit() Error Tue, 21 Apr 2026 05:49:35 -700 Wed, 12 May 2010 20:02:59 -700 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 9.69 360 www.ideablade.com/forum/RSS_post_feed.asp?TID=1801 DevForce Community Forum http://www.ideablade.com/forum/forum_images/IdeaBlade_logo_tm.png http://www.ideablade.com/forum/ IEditableObject.CancelEdit() Error : It's hard to tell what's... http://www.ideablade.com/forum/forum_posts.asp?TID=1801&PID=6864#6864 Author: ting
Subject: 1801
Posted: 12-May-2010 at 8:02pm

It's hard to tell what's going on here.  The exception basically says that the DevExpress grid can't find the bound property where the edit was cancelled, but that may or may not be related to the actual problem.
 
I'd start by constructing the simplest possibile solution with one bound column to a simple property (with no object navigation) that overrides CancelEdit and see if that works.  Then start changing the solution to match what you're trying to do above.
 
 


Edited by ting - 12-May-2010 at 8:03pm]]> Wed, 12 May 2010 20:02:59 -700 http://www.ideablade.com/forum/forum_posts.asp?TID=1801&PID=6864#6864 IEditableObject.CancelEdit() Error : I am getting the following error... http://www.ideablade.com/forum/forum_posts.asp?TID=1801&PID=6847#6847 Author: orcities
Subject: 1801
Posted: 11-May-2010 at 7:52am

I am getting the following error when I try and cancel an edit using DevExpress. Not sure which end this is on. If I override CancelEditCore the error is throw when it is called.

Key cannot be null.\r\nParameter name: key
 
Stack:
   at System.Collections.Specialized.ListDictionary.get_Item(Object key)
   at System.ComponentModel.PropertyDescriptorCollection.Find(String name, Boolean ignoreCase)
   at DevExpress.Wpf.Core.Native.BindingListAdapter.System.Windows.IWeakEventListener.ReceiveWeakEvent(Type managerType, Object sender, EventArgs e)
   at System.Windows.WeakEventManager.DeliverEventToList(Object sender, EventArgs args, ListenerList list)
   at System.ComponentModel.PropertyChangedEventManager.OnPropertyChanged(Object sender, PropertyChangedEventArgs args)
   at IdeaBlade.EntityModel.EntityWrapper.OnPropertyChanged(PropertyChangedEventArgs e)
   at IdeaBlade.EntityModel.EntityWrapper.ForcePropertyChanged(PropertyChangedEventArgs e)
   at IdeaBlade.EntityModel.EntityWrapper.CancelEditCore()
   at IdeaBlade.EntityModel.EntityWrapper.System.ComponentModel.IEditableObject.CancelEdit()
   at DevExpress.Wpf.Data.StateGridDataController.CancelCurrentRowEdit()
 
Any help would be great.
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