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Data binding is a mechanism in WPF applications that provides a simple and easy way for Windows Runtime apps to display and interact with data.
In this mechanism, the management of data is entirely separated from the way data.
Any modification done on data in your business model after binding is done, will automatically reflect to the UI, and vice versa. For making binding work properly, both sides of the property must provide a change in notification which will tell the binding to update the target value. NET properties, it can be achieved by using INotify Porperty Changed interface.
And for Dependency properties, it is done by Property Changed callback of property metadata.
In those cases, you need to set the Data Context property of your target object to the instantiated object programmatically. First, if you are binding to a property of another element in the same scope, then you use the Element Name property to specify the source.
Using the Source property is simpler and more readable.
However, if multiple properties bind to the same source, consider using the Data Context property.
Through talking to people and monitoring both internal and external forums, I have compiled a list of questions people often have when first learning about WPF data binding.
If you have any questions, please leave a comment and let me know!