Home / Community & Support / Developer Productivity Tools Forums / Silverlight > Expander > Binding of IsExpanded is broken

• Jaroslav Půbal

  Posted on May 12, 2011 (permalink)

  Hello,
  I have simple MVVM scenario with RadExpander.
  
  

  <telerik:RadExpander  IsExpanded="{Binding IsActive, Mode=OneWay}" ...

  
  RadExpander do not reflect changes on IsActive property.
  
  
  I try to check if it not my mistake. I change to "IsEnabled".
  
  

  <telerik:RadExpander  IsEnabled="{Binding IsActive, Mode=OneWay}" ...

  
  With "IsEnabled" all working fine.
  
  So I think IsExpanded is broken on your side.
  
  Version 2011.1.223.1040

  Reply

• Answer Petar Mladenov Petar Mladenov

  Posted on May 16, 2011 (permalink)

  Hello Jaroslav Půbal,
  
  This is a known issue in this version of RadExpander. The good news is that this is fixed in the official Q1 2011 SP1 (0419) version of RadControls.
  
  Regards,
  Petar Mladenov
  the Telerik team

  Do you want to have your say when we set our development plans? Do you want to know when a feature you care about is added or when a bug fixed? Explore the Telerik Public Issue Tracking system and vote to affect the priority of the items

  Reply

• saravanan

  Posted on Aug 1, 2011 (permalink)

  I am getting the same issue in official Q1 2011 SP1 (0419) 

  Reply

• Vladislav Vladislav

  Posted on Aug 4, 2011 (permalink)

  Hi Saravanan,
  
  I tested this issue with our official 2011 Q2 release and I confirm that it is fixed there.
  Can you please try it and let us know if you still experience any problems?
  
  All the best,
  Vladislav
  the Telerik team

  Explore the entire Telerik portfolio by downloading the Ultimate Collection trial package. Get now >>

  Reply

• Nelson

  Posted on Aug 16, 2011 (permalink)

  Hi,
  
  I have the same problem, I can´t bind IsExpanded...
  
  I have this property:
  
  

  private bool _expande;

         public bool Expande

         {

             get { return _expande; }

             set { _expande = value; OnPropertyChanged("Expande"); }

         }

  
  If I did in my constructor of ViewModel Expande = true, this works good, and the expander shows expanded, but if I try do Expande = false in other part of my viewModel doesn´t work.
  
  Any idea why?
  
  Thanks in advance.

  Reply

• Petar Mladenov Petar Mladenov

  Posted on Aug 18, 2011 (permalink)

  Hi Nelson,

  Could you please send us more of your code (XAML  and the part of the ViewModel's code that does not work) so that we could investigate and advice you better ? Thank you in advance.

  Best wishes,
  Petar Mladenov
  the Telerik team

  Explore the entire Telerik portfolio by downloading the Ultimate Collection trial package. Get now >>

  Reply

• Matthias

  Posted on Mar 14, 2012 (permalink)

  Has this issue been fixed? I cannot bind to IsExpanded either.

  Reply

• Petar Mladenov Petar Mladenov

  Posted on Mar 15, 2012 (permalink)

  Hello Matthias,

   I believe this is fixed long time ago. Please check out our test project with the Q1 2012 assemblies and let us know if you scenario is different.

  All the best,
  Petar Mladenov
  the Telerik team

  Sharpen your .NET Ninja skills! Attend Q1 webinar week and get a chance to win a license! Book your seat now >>

  Attached files

  • ExpandelSample.zip

  Reply

Back to Top

Home / Community & Support / Developer Productivity Tools Forums / Silverlight > Expander > Binding of IsExpanded is broken