Meta-Me

While writing my tips series and writing EF controllers for MVC I found that I regularly wanted to create and attach a stub entity . Unfortunately it isn’t quite that simple, you have to make sure the entity isn’t already attached first, otherwise...

If you write a LINQ to Entities query like this: var results = from c in ctx.Vehicles.OfType<Car>() select c; It will bring back, Cars and any type that derives from Car, like say SportCar or SUV. If you just want Cars and you don’t want...

UPDATE: thanks Zeeshan for pointing out that by default only non-nullable columns end up in the key for view backed entities. Imagine this situation, you have a view in your database, and it is updatable. Next you decide to use this view with the Entity...