Update for LINQ to SQL statements (11)

Note: The update operation, first gets the object, after the modification operation, directly calls the SubmitChanges () method to commit. Note that this is in the same DataContext, for the different Datacontex see the following explanation.

1. Simple Form

Customer cust =    "ALFKI""Vice President"  ;d B. SubmitChanges ();

Statement Description: Use SubmitChanges to persist the updates made to the retrieved one customer object back to the database.

2. Multiple changes

var  from inch db. Products        where1        select  p; foreach (var in q) {    1.00M;} Db. SubmitChanges ();

Statement Description: Use SubmitChanges to persist the retrieved updates back to the database.

Update for LINQ to SQL statements (11)