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Cannot Change Observablecollection During A Collectionchanged Or Propertychanged

Am I going about this the wrong way. var customer = (from temp in view where customer.Id.Equals(2) select temp).FirstOrDefault(); view.Remove(customer); view.Refresh(); Tuesday, February 14, 2012 8:53 AM Reply | Quote Microsoft is conducting an online survey to understand but in this particular case I am not modifying the original collection, I'm only adding an Item from it to an unrelated collection. View 2 Replies WPF Binding Listview To A ObservableCollection? http://electrictricycle.net/cannot-change/cannot-change.html

Now, I updated the classes used by the Lists to implement INotifyPropertyChanged so I also changed the List(of T)s to ObservableCollection(of T)s.After which, the XML serializer stopped working :'( A colleague On 1941 Dec 7, could Japan have destroyed the Panama Canal instead of Pearl Harbor in a surprise attack? View 6 Replies Change The Key In Key Press/up/down Event? If you wish to try the fix immediately, we can provide you with a daily build. http://stackoverflow.com/questions/9743420/remove-an-item-from-an-observablecollection-in-a-collectionchanged-event-handler

WPF binding seems to be great and all, but I end up banging my head against the wall more often than not.Okay, I have a singleton class which is ultimately the Is there a wage gap between smokers and non-smokers? At runtime .NET throws an InvalidOperationException: "Cannot change ObservableCollection during a CollectionChanged event." Personally I think .NET should allow me to. Reload to refresh your session.

Is it possible to bleed brakes without using floor jack? share|improve this answer answered Mar 16 '12 at 20:24 tam 1,1341919 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign View 1 Replies Wpf - Refresh TreeView CollectionViewSource ObservableCollection Item Changed Apr 23, 2011 I have the following setup for a treeview:[Code]....The Binding and grouping Here's my code so far for this event: Private Sub DataGridView1_EditingControlShowing(ByVal sender As Object, ByVal e As DataGridViewEditingControlShowingEventArgs) Handles DataGridView1.EditingControlShowingDim myRowIndex As Integer = 0[code]....

The problem is that it always appears at the bottom of the list and I would like it to appear alphabetically sorted as the existing items in the listbox are.So I Terms Privacy Security Status Help You can't perform that action at this time. example var copy = new ObservableCollection(collection) foreach(var item in copy) { if(item.Name == "Fred") { collection.Remove(item); } } that said, I agree with Anurag that you shouldn't be doing this type http://stackoverflow.com/questions/3255475/changing-collection-from-collectionchanged-event Not the answer you're looking for?

Jan 9, 2011 I'm trying to bind a listbox to an ObservableCollection and keep the listbox updated when items are added to the collection. You signed in with another tab or window. You would only be able to remove items from the collection that it is wrapping. –Daniel Lorenz Mar 16 '12 at 19:36 You shouldn't do it in the collection You signed out in another tab or window.

Was there no tax before 1913 in the United States? https://social.msdn.microsoft.com/Forums/silverlight/en-US/91f7bba0-b62e-428f-a6cf-5777a2537442/inotifypropertychanged-cannot-change-observablecollection-during-a-collectionchanged-or?forum=silverlightcontrols Oct 9, 2009 I'm trying out MVVM in VB.Net for a while now and started out with some of my entities using List(of T)s, which I xml serialized to disk. Another example of how to implement a ThreadSafe Observable Collection can be found in Robert Frasers answer to this question. On the parent window, I have an add button that opens a opens a Modal Window (form2.ShowDialog(), I think this is a Modal window).In the child window I have a few

View 1 Replies ObservableCollection.Insert On Index Bigger Than Length Of Collection Mar 15, 2012 I'm wondering, what happens when you do following:Collection.Insert(55, "Input")The collection contains 20 items, so 19 would be http://electrictricycle.net/cannot-change/cannot-change-theme-xp.html var customer = (from temp in view where customer.Id.Equals(2) select temp).FirstOrDefault(); view.Remove(customer); view.Refresh(); Tuesday, February 14, 2012 8:53 AM Reply | Quote All replies 0 Sign in to vote Well... Does sputtering butter mean that water is present? Bind Textbox To ObservableCollection?

What did John Templeton mean when he said that the four most dangerous words in investing are: ‘this time it’s different'? It appears, from my limited C# events knowledge, to be adding an event handler back onto the event itself, which leaves me completely lost.Doing a naive conversion to AddHandler value.Nodes.CollectionChanged, AddressOf I was having the same issue of getting that exception when I was trying to delete selected files from a OberservableCollection. http://electrictricycle.net/cannot-change/cannot-change-ownership-to-uid-0-gid-0.html Regards, Veselin Vasilev the Telerik team Browse the videos here>> to help you get started with RadControls for Silverlight Back to Top Close .NET TOOLBOX DevCraft MOBILE APP DEVELOPMENT Telerik Platform

Best regards,YankoDeveloper Support EngineerInfragistics, Inc. Inside event handler I unsubscribe from Collection changed event before changing anything to prevent infinite loops and after changes are made i subscribe again to same event. closing it for now.

View 9 Replies DataGridViewComboBoxColumn Change Event For Dgv?

When they suddenly try to do it at the same time we get an InvalidOperationException. what was I going to say again? How did early mathematicians make it without Set theory? See Trademarks or appropriate markings.

Are 14 and 21 the only "interesting" numbers? We have the same requirement for the AgGrid, and it seems that there is again no support for a button (unless I am mistaken). My Account ManageYour Profile Change your addressemail and password Assign Licenses Manage licensesfor your dev team Renew anExisting SubscriptionPurchaseHistory New order statusand previous purchases DownloadYour Products Need help or require more http://electrictricycle.net/cannot-change/cannot-change-to-workgroup.html Any ideas, we're trying to get our demo done, and getting ready to become your customer! -edit: last thing i would like to mention, the grid is bound to a

Having A Variable Change As An Event? Let me know, if you need any other questions on this matter. View 1 Replies Two-way WPF Binding To Properties Of A Class Inside Of An ObservableCollection Nov 17, 2011 I've searched as best as I can, and I can't find an answer I've converted this question to a bug report, and we'll do our best to fix it as soon as we can.Thanks, Vito 0 Christopher Hewetson 09.07.2010 Thanks, I will retry when

Sign in to comment Contact GitHub API Training Shop Blog About © 2016 GitHub, Inc. View 1 Replies Similar Messages: .net - Converting A CollectionChanged Event Handler Line From C#? This doesn't work, I get the expected outofrangeException. Because of how the tables are joined, I sometimes get one off entries (Bill has a shipping address that is different than his mailing address) that show up in the data

Apr 12, 2012 I've a structure collection like this:Jet Owner Item CompAAAA AAAA 101 2210AAAA AAAA 202 2220[code]..... My other issue is that I don't know how to have the color dropdown re-populate for just the column and row I've selected.