Fill combo box in silverlight using collections !!

Question

Dear All,
I have a table and I want to load a combobox in silverlight using LINQ-to-SQL Classes.
Table-

ID	FName
1	Keyur
2	Nishant

Now, In my silverlight Page, I want to load the combobox with FName columns.

I have to compulsarily use System.Collection.Generics - eg - list.

My Linq Query - var fnames = from names in TblNames select new { names.FName};

I am getting an error in using IList Interface.

Please help me out..

Thank You all in advance !!