Returns an object query that, when it is executed, returns the same set of objects that exists in the current collection.
Assembly: System.Data.Entity (in System.Data.Entity.dll)
This property is used to obtain a new instance of ObjectQuery<T> that returns the same set of objects. This is useful as the starting point for a more complex join, union, or filtered query, or to return the same objects in a detached state by using the NoTracking option.
This example is based on a modified version of the School model. This version supports table-per-type inheritance with Course as an abstract type. Complete the Mapping Inheritance - Table-per-Type walkthrough to modify the School model to support the table-per-type inheritance example used in this topic.
This example shows how to use to filter objects in an EntityCollection<TEntity> and bind only to objects of a specific type. For a complete version of this example, see How to: Bind Controls to Derived Types (Entity Framework).