Tag: Linq

This week I ran into a quite unexpected exception that was thrown when I tried to remove an object from my LINQ ToSQL DataContext:

System.InvalidOperationException: Continue reading “LINQ To SQL: Exception when removing child object from Master-Detail relationship”

LINQ uses a Deferred Execution model which means that nothing really happens until the results of the query are accessed, e.g. in a for(each)-loop. One of the advantages of this model is that you can compose complex queries in multiple steps to make them more readable. Continue reading “Deferred Execution behavior in LINQ providers”