DataContext.SubmitChanges Method
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Computes the set of modified objects to be inserted, updated, or deleted, and executes the appropriate commands to implement the changes to the database.
Assembly: System.Data.Linq (in System.Data.Linq.dll)
If override methods are present for insert, update, or delete, SubmitChanges executes these methods instead of the default LINQ to SQL commands.
For information about using a local database in your Windows Phone application, see Local database for Windows Phone 8.