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Observablecollection binding not updating

For the Selected Item and Selected Value bindings, I do not set a mode – this is because “Mode=Two Way” is the default.

Content Controls such as Button and Items Controls such as List Box and List View have built-in functionality to enable flexible styling of single data items or collections of data items.

Sort, filter, and group views can be generated on top of the data.

Before starting this article, if you are a beginner then I'll request that you to learn the basics of XAML or go to this link and learn about XAML and various types of panels in XAML: File/0b73e1/different-types-of-panels-in-xaml-layout/Data Binding Concept in XAMLBinding is all about connecting a source to a target.

Every time you use binding you must supply a source for the data and the target.

You take data from some property or object or dependency property and bind it to another dependency property or object or else directly to an element.

In a single word you can say in XAML "Data binding is the process of getting information from one object to another and displaying it in one or more elements in the user interface".

A few weeks ago, a friend convinved me to start looking into WPF, XAML and the MVVM pattern. NET Web Forms & MVC2 applications and core system design/development, I haven’t had any exposure to these new(er) technologies, and I thought it might be fun to see what all of the fuss is about. I am using terms in this post in a way which assumes that you are using the MVVM pattern.

Note that the information in this post may also be applied to other controls implementing Items Control. Along the way, I came across a situation where I needed to do some different kinds of binding using Combo Boxes.

Instead, this is meant to be a slightly more practical guide to squeezing performance out of WPF in ways that are probably more likely affecting you.

and its subclasses List Box and List View exacerbate performance problems because these controls are highly dynamic (resolution happens “late”), involve WPF collections (which are slow), and have difficult and unpredictable lifetimes for their child controls.

Then there are some problems (like this and this) where WPF leaks for you too.