| Overload | Description | 
|---|---|
| Count(IEntityScalarQuery,Action<EntityScalarQueryOperation<Int32>>,Object) | Returns the number of elements in a sequence. | 
| Count<TSource>(IEntityScalarQuery<TSource>,Action<EntityScalarQueryOperation<Int32>>,Object) | Returns the number of elements in a sequence. | 
| Count(IEntityScalarQuery,IPredicateDescription,Action<EntityScalarQueryOperation<Int32>>,Object) | Returns the number of elements in the specified sequence that satisfies a condition. | 
| Count<TSource>(IEntityScalarQuery<TSource>,Expression<Func<TSource,Boolean>>,Action<EntityScalarQueryOperation<Int32>>,Object) | Returns the number of elements in the specified sequence that satisfies a condition. | 
Target Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows Server 2008 family