Consider the following code block:
using (PlayersDataContext context = new PlayersDataContext())
{
Console.WriteLine(context.Players.Count()); // will output 'x'
context.Players.InsertOnSubmit(new Player {FirstName = "Vince", LastName = "Young"});
Console.WriteLine(context.Players.Count()); // will also output 'x'; but I'd like to output 'x' + 1
}
Given that I haven't called
context.SubmitChanges();
the application will output the same player count both before and after the InsertOnSubmit statement.
My two questions:
Can the DataContext instance return collections that include pending changes?
Or must I reconcile the DataContext instance with context.GetChangeSet()?
Sure, use:
context.GetChangeSet()
and for more granularity, there are members for Inserts, Updates, and Deletes.
EDIT: I understand your new question now. Yes, if you wanted to include changes in the collection, you would have to somehow combine the collections returned by GetChangeSet() and your existing collections.
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