You create an Entity Data Model (EDM) that maps entity types to tables in a Microsoft SQL Server database. Existing code uses SqlConnection, SqlCommand, and SqlDataReader to query the SQL Server database. You need to modify code to use the EDM with least development effort.

What should you do? (Each correct answer presents part of the solution. Choose two.)

The EntityClient provider is a data provider used by Entity Framework applications to access data described in an EDM. The Entity Framework builds on top of storage-specific ADO.NET data providers by providing an EntityConnection to an underlying data provider and relational database. The EntityCommand class is used to execute an Entity SQL command against an entity model, and the EntityDataReader exposes the results of executing an EntityCommand against an EDM. These types are similar to the corresponding SqlConnection, SqlCommand, and SqlDataReader types. However, entity data provider types require that queries be expressed in Entity SQL, not T-SQL. You must modify query text.