![]() ![]() ![]() A DataTemplateSelector gives you the flexibility to make certain items stand out, while still keeping items in a similar layout. You should create a DataTemplateSelector when you want to use multiple data templates in one collection control. This would achieve better performance than using a DataTemplateSelector. For example, items can each have a different icon by binding to an icon source property in the data template, and giving each item a different value for that icon source property. Generally, you should not give every item in a ListView or GridView a completely different layout/style - this would be poor use of a DataTemplateSelector, and negatively impact performance.Ĭertain elements of the visual display of a list item can be controlled by using just one data template, through binding certain properties. How to customize the look of your items using a DataTemplate.How to use and create a collection control, such as a ListView or GridView.You identify these resources with an x:Key value, which lets you reference them in your XAML. You declare an instance of this class in the Resources section of your XAML file, along with the definitions of the data templates you'll be using. To implement this logic, you create a subclass of DataTemplateSelector in your code-behind and define the logic that determines which data template to use for which category of items (for example, items of a certain type or items with a certain property value, etc). It lets you define rules that specify which data template to use for certain items in a collection. Important APIs: DataTemplateSelector, DataTemplateĭataTemplateSelector is a class that enables custom template selection logic. This article explains how to use a DataTemplateSelector to apply different data templates on a collection and select which data template to use, based on certain item properties or values of your choosing. ![]() Data templates define how each item should be laid out and styled, and that markup is applied to every item in the collection. The customized design of collections controls are managed by a DataTemplate. ![]()
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