Home > Wpf Change > Wpf Change Datacontext Runtime

Wpf Change Datacontext Runtime

I don't know about CSLA.NET though, you'll have to try to be sure Jay says: September 28, 2015 at 21:03 Thanks! I don't want to change the DataContext of the Grid because inside it there are elements that access the MainViewModel properties, so i just want to change the DataContext for the Thanks in advance. Since when has Darth Vader had a sense of humor? Check This Out

Reply Thomas Levesque says: February 5, 2015 at 09:50 The converter is only called after the binding successfully gets a value from the source. Do you have a timer or something? How can I keep the computers on my spaceship from dying after a hull breach? it is unable to bind changed values or its not calling my EditVisibiltyConverter Reply Thomas Levesque says: February 12, 2015 at 14:20 In this case you shouldn't change the column's visibility,

If you recall, the DataContext is inherited throughout the visual tree and is the default source for bindings. The problem now is that when I check (or uncheck) a CheckBox in one of the rows - all the CheckBoxes in the column in other rows also get checked. and/or other countries. That's pretty smart!

That works with the Microsoft DataGrid at design-time but not for some other third-party Grids. Reply Graeme says: May 30, 2016 at 17:56 Fantastic tip!! Privacy statement Dev Centers Windows Office More... Please refer to: Disclaimer I am fairly new to WPF, so my example may not be the optimum.

Thank you again for your cooperation. I will have to evaluate whether we can use that. Reply Taj says: June 24, 2015 at 13:41 It solved my problem. more hot questions question feed default about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation

Could you please send us the full code from the method GetEntitiesByParentCompleted ? Here's the Data class:  public class Data : INotifyPropertyChanged     {         public Data()         {             value = 10;        How can i fix this? Gist or Pastebin), as WordPress strips anything that looks like HTML tags from the comments.

Message Author Comment by:breezback ID: 395428362013-10-03 Let's say I have a command line that sends the counter "10" The WPF should render 10 times, each time showing the counter. If you try to bind any of the column's other properties, it doesn't work because the column definition doesn't inherit a DataContext. For example ... private void Button_Click(object sender, RoutedEventArgs e) { _model.WorkAddress = new AddressModel

You could try to put the BindingProxy in the Style's resources, with x:Shared="True" (just an idea, not sure it would work) Reply Christoph says: September 7, 2013 at 16:51 Thomas, I his comment is here I set the datacontext of my view from code behined (my applicatiop based on PRISM). Related 3WPF DataContext does not refresh the DataGrid using MVVM model3WPF (MVVM): Wiring up viewModel to view in code-behind of Window?0WPF/MVVM: Refactoring Code-Behind to make it ready for MVVM binding3WPF MVVM Reply Ram says: August 7, 2013 at 10:58 Sorry, i was not notifying back to UI using OnPropertyChanged.

I"ve been banging my head for hours with this problem, and none of the other solutions I found really solved it in XAML. Now we are porting our application to WinRT, while doing this i have found that the Freezable class was not found in WinRT. three-letter codes for countries What does HR do for me? this contact form Can you help me with binding.

And if I bind the itemssource in this way: it works,too. The Property Path Syntax We'll explore a few other features of the binding framework via a more complex example, this time we have a model object, PersonModel, that has a relationship Thanks Richard Reply Thomas Levesque says: June 1, 2014 at 23:26 Hi Richard, It's hard to tell what the problem is without seeing your code… Could you post it to Gist?

However, I have an issue is that while it works well during runtime, it does not work within the IDE designer.

You have to re-bind when changing the source collection like so: private void Button_Click(object sender, RoutedEventArgs e) { var d = (DataItemCollection)radTreeView.DataContext; d.Add(new DataItem() { Id = 15, ParentId = 3, I was stucked with this problem for a while…thank you very much! Get 1:1 Help Now Advertise Here Enjoyed your answer? wpf mvvm code-behind datacontext share|improve this question edited Jun 17 '15 at 14:38 asked Jun 17 '15 at 14:09 MorgoZ 429317 What do you want to do inside that

Yes I want to bind Command from Viewmodel on Button,Actuall I can access Data.cmdExpand on Button at LowerControl only. Thanks! Best regards,Bruce ZhouPlease remember to mark the replies as answers if they help and unmark them if they provide no help. navigate here When I render the grid everything is fine. –Daniel Jul 4 '11 at 14:08 Aah, I see what you mean, now.

Reply Ron Mittelman says: September 21, 2015 at 16:58 I think I didn't properly state my issue. Thanks! Your solution solved me the problem of binding the "IsChecked" property of the CheckBox to a property "IsActive" that I have in the ViewModel. Answer Petar Mladenov Admin 2898 posts Posted 25 Jul 2011 Link to this post Hi Alexandre, Why do you need the ChildrenOfType<> method?

The trick here works because the Freezable does have it and you can access the Freezable's properties. Linked 161 Watermark / hint text / placeholder TextBox in WPF Related 3WPF DataContext does not refresh the DataGrid using MVVM model0Using ViewModel as WPF DataContext Disposing problems1Access my Window's DataContext For example when I'm travelling and do not have my laptop and visual studio with me but just a tablet or smart phone. The first condition probably doesn't need the DataContext and RelativeSource since it refers to the current row's data, but either way it doesn't work.

Reply Eddie Cosme says: January 18, 2013 at 14:57 Thanks so much! Are there guidelines for party stats by CR? However the INotifyPropertyChanged event is still hooked on the old person object and we somehow need to unhook this object and hook the new person object. There you are creating a property and made that property the middle man instead of binding checkbox's IsChecked Property to the dataGridColumn's Visibility directly.

Is that WPF bug? Can you give some suggestions? Reply Gayatri says: February 12, 2015 at 11:04 https://gist.github.com/anonymous/8e8daeb021f9977a2b7a Here is link..