Named & optional parameters are a new C# language feature coming up with .NET FX 4.0 and guess what… it’s in Silverlight 4 as well! Optional parameters will come very useful when defining complex APIs where you would usually have to provide several...
In Silverlight, you will bind the controls such as List/Grid with Observable collection so that any change in the collection automatically reflected on the control. Often you will be required to convert the List to an observable collection but there isn...
Its flexible, while designing Database to have some fields in XML. It allows to store multiple values/structure which can be easily extended whereas in case of simple table you will need to add new column(s) and then change the data access layer etc....