Wpf bind to parent datacontext in datatemplate

Jan 10, 2014 · WPF DataTemplate bind property to Parent ViewModel Taswar Bhatti January 10, 2014 No Comments Here is a hint when using WPF and you may come into a situation where you want to databind an element to its Parent ViewModel .

The “enclosing” UserControl has a DataContext of ZooVM. When you bind the ItemSource of an ItemsControl to ZoomVm.Cages WPF sets the DataContext to CageVM for the list’s items. Similarly, when you bind an additional ItemsControl to the CageVM.Animals WPF sets the DataContext for each item to an individual Animal.

Sep 12, 2012 · Design-Time Data Binding in WPF One of the cool things that WPF allows you to do is create sample data that can be bound to controls at design-time. This spiffy little feature allows you to do all kinds of tinkering with your UI without having to run your application. Basically, the property specifies the string prefix used to bind to properties of the parent. If you change the value of the ContentSource property to something else, like “Header“, the ContentPresenter’s properties would auto-bind to bind to these properties of the control you are templating using ControlTemplate: Header; HeaderTemplate

Mar 21, 2011 · March 21, 2011. The DataContext property in WPF is extremely handy, because it is automatically inherited by all children of the element where you assign it; therefore you don’t need to set it again on each element you want to bind. However, in some cases the DataContext is not accessible: it happens for elements that are not part of the visual or logical tree. Bind to the title of the parent window. {Binding RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type ItemsControl}, AncestorLevel=2}, Path=Name} Bind the the name of the 2nd parent of type ItemsControl. {Binding RelativeSource={RelativeSource TemplatedParent}, Path=Name} Inside a control template, bind to the name

WFP: Binding an Item inside ItemsControl's DataTemplate to the Property on Page DataContext In most scenarios we bind the ItemControl's ItemsSource to the collection of Data Model item. Then we configure our DataTemplate Binding to the properties inside Data Model item. .

Oct 11, 2014 · Then now that you have set the DataContext on the ContentPresenter, the ContentProperty will try to bind to “Border.DataContext.ABorderProperty.ContentProperty” — where you might expect the inherited DataContext to still apply: you might be expecting “Border.DataContext.ContentProperty” (in the XAML, it looks the same as the ...

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The “enclosing” UserControl has a DataContext of ZooVM. When you bind the ItemSource of an ItemsControl to ZoomVm.Cages WPF sets the DataContext to CageVM for the list’s items. Similarly, when you bind an additional ItemsControl to the CageVM.Animals WPF sets the DataContext for each item to an individual Animal. .

Warning: Please consider that this post is over 10 years old and the content may no longer be relevant. I wasted a few development hours discovering this strange behaviour when binding to the IsChecked property of a RadioButton in WPF when using MVVM.

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Your inner DataTemplate only has access to the "content" you pass down, which is Title. So you can't bind to IsUnderlined, because the DataContext is a string, not your custom object. You can either pass the custom object down like below, or use a RelativeSource to find the parent PopupButton then access it's DataContext.IsUnderlined. , , , , , , , , , , , , .

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Sep 30, 2020 · Here I am using nested Listbox. I want to bind the parent item source property into nested Listbox inside the data template text block <ListBox ItemsSource="{Binding Parent}"> <ListBox.ItemTemplate> <DataTemplate> <ListBox ItemsSource="{Binding Child}"> <ListBox.ItemTemplate> <DataTemplate> <!--

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  • You can use a StringFormat in your binding, like so: <TextBox Text="{Binding ItemName, StringFormat={}Item: {0}}"/> That being said, it may cause some unexpected behavior when editing. For example, if the user edits only the item name (excluding the 'Item:' text), then when the TextBox loses focus, the string format will... , , , .
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