DataContext' does not contain a definition for 'Articles' and no extension method 'Articles' accepting a first argument of type 'LaforoDataContext' could be found (are you missing a using directive or an assembly reference?) DataFormatString for double column with 2 decimal places with percentage...
(MVVM) - How To Bind to DataContext from ContextMenu within DataTemplate [C#] IP Address Validation in WPF [ERROR] Specified Visual is already a child of another Visual or the root of a CompositionTarget [MSBuild] error MC3000: XML is "undeclared" prefix - how to fix? [MVVM pattern, W...
WPF supports declaring bindings in the XAML markup directly. For example, the following XAML code binds the Text property of the TextBox to the Name property of an object using the "{Binding ... }" XAML syntax. This assumes there's a data object set to the DataContext property of the ...
The FrameworkElement.DataContextChanged event has been added. You can use this event to detect when the data context for an element has changed. The UpdateSourceTrigger.PropertyChanged enumeration value has been added. This indicates to update the binding source whenever the binding target value change...
So SolidColorBrush in this example has no parent, so it didn't inherit property values from anyone. At first this may seem academic -- who cares if SolidColorBrush inherits? Actually, there's a couple reasons it matters, the DataContext property and the Loaded event. DataContext is an ...
TheFrameworkElement.DataContextChangedevent has been added. You can use this event to detect when the data context for an element has changed. TheUpdateSourceTrigger.PropertyChangedenumeration value has been added. This indicates to update the binding source whenever the binding target value changes. Th...
TheFrameworkElement.DataContextChangedevent has been added. You can use this event to detect when the data context for an element has changed. TheUpdateSourceTrigger.PropertyChangedenumeration value has been added. This indicates to update the binding source whenever the binding target value changes. Th...
The new API surface is as follows: Copy public class Control {+ [BindableAttribute(true)]+ public virtual object DataContext { get; set; }+ [BrowsableAttribute(true)]+ public event EventHandler DataContextChanged;+ protected virtual void OnDataContextChanged(EventArgs e);+ protected virtual void ...
As the title of this article suggests, using the PlacementTarget won’t help you when you need to get to an “outer” DataContext in a nested situation. (i.e. Grid, ListBox, ListItem) This diagram below illustrates a typical WPF pattern. The “enclosing” UserControl has a DataContext of...
labelDataContext.Text = formatted; return labelDataContext; } [/csharp] Changes to the VisibleRangeChanged handling model In order to allow tracking VisibleRange changes in some advanced scenarios (e.g. updating a Slider which controls chart zoom level), the VisibleRangeChanged event is fired for...