I wanted to put a button that would set the current comment to “****” when the button was clicked. I am using View Model (MVVM) and normally you would need to resort to using code behind. Actually it is simple to do.
Live Sample: http://silverlight.adefwebserver.com/RIATasks2ABValidation/RIATasksWeb/ There are many types of Silverlight Validation. This covers the most basic type, validating that the data entered matches the underlying type. In this example we will validate a Date Field.