Add Linq to Sql classes to your application,and make sure you selected the .NET 3.5 as target framework.
Step : 2
Add Server database to solution explorer.After adding Database diagram toggle to find the tables on selected database.
Step :3
Linq to SQL template name will becomes the parent class and retrieve the data from the table as below.
Snippet:
DataClasses2DataContext db2 = new DataClasses2DataContext();
var c = from sp in db.Peoples
select sp;
List
GridView1.DataSource = li.ToArray();
GridView1.DataBind();