Should I do it in a viewmodel constructor? So you need to set the DataContext on the root element. You set the properties on your control and those properties should be enough to make it "work". Supported Technologies, Shipping Versions, Version History. Instead, you have to move
Welcome to WPF Tutorials | User Controls in WPF| Databinding in WPFIn this part of User Controls in WPF series, we're going to see how to databind to a user . However, the code within the FieldUserControl constructor means that it no longer inherits its parent's DataContext (i.e. It makes sure that your View is hooked up with ViewModel. So, in the controls constructor, we set DataContext of its child root element to the control itself. Not the answer you're looking for? Why doesn't work? . Thanks. About an argument in Famine, Affluence and Morality. The DataContext that it passes to the control is ignored within the control. have anyone a small sample for me like this: How can i send data via datacontext from the Master Window to the UserControl Window? The DataContext is inherited down the visual tree, from each control's parent to child. The problem is that the DataContext from the Window inherits to the DataContext from the User Control. wpf3 . ( A girl said this after she killed a demon and saved MC). What Is the Difference Between 'Man' And 'Son of Man' in Num 23:19? The WPF / Silverlight binding framework revolves around the concept of dependency properties, you can make any property the source of a binding, but the target must be a dependency property (DP). Now you have a DataContext which refers to your control so you can access any properties of that control using relative bindings. Custom controls are rather special, with the logic being de-coupled from the XAML in order to support templating. How to tell which packages are held back due to phased updates, How to handle a hobby that makes income in US, Theoretically Correct vs Practical Notation. It preserves the control bindings and doesn't require any specific element naming. The the datacontext of MyUsercontrol is inherited from mainwindow and is MainWindoViewModel. To learn more, see our tips on writing great answers. c#/WPF (DataContext = obj)(subclass.var}
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