unexpected GetType() result for entity entry

Question

While I iterating through ObjectStateEntries I expected [t] variable name will be MY_ENTITY

foreach (ObjectStateEntry          


        

Answer 1

You can use

Type t = entry.Entity.GetType().BaseType;

or

ObjectContext.GetObjectType(entity.GetType())

But the second way is a better way from my point of view. If you call Type() request inside a Mapper method, for example DTO mapper (from entity object to DTO class or from in-memory objects to DTO class), ObjectContext.GetObjectType(..) will grant you always the expected result contrary to what will .GetType().BaseType

For example, if you use a TPT (Table per Type) strategy for EF Entity Model, call BaseType() on in-memory object will return the base class in hierarchy contrary to what will ObjectContext.GetObjectType(..)