ContentTemplateSelector is only called one time showing always the same datatemplate
I have made a sample demo VS 2010 RC sample project, because in my production project I have the same error using MVVM. In my sample demo project I use only Code-behind without 3rd party dependencies so you can download the demo project here and run it for yourself: http://www.sendspace.com/file/mwx7wv Now to the problem: When I click the girls/boys button it should switch the datatemplate, not? What do I wrong? OK I offer here a code snippet too: Code-Behind MainWindow.cs : namespace ContentTemplateSelectorDemo { /// <summary> /// Interaction logic for MainWindow.xaml /// </summary> public