In this article, Sheo Narayan describes the steps to insert and load records from SQL Server database using LINQ to SQL and WCF Services.
Source: .netFunda
To understand this article, you should have very basic knoweldge about Silverlight and LINQ to SQL, rest this article should take care. To describe how to Insert and Load records using LINQ to SQL in Silverlight, I have taken following database table structure as an example.