IQueryProvider Interface

Defines methods to create and execute queries that are described by an IQueryable object.

Namespace:  System.Linq
Assembly:  System.Core (in System.Core.dll)

public interface IQueryProvider

  NameDescription
Public methodSupported by Portable Class LibraryCreateQuery(Expression)Constructs an IQueryable object that can evaluate the query represented by a specified expression tree.
Public methodSupported by Portable Class LibraryCreateQuery<TElement>(Expression)Constructs an IQueryable<T> object that can evaluate the query represented by a specified expression tree.
Public methodSupported by Portable Class LibraryExecute(Expression)Executes the query represented by a specified expression tree.
Public methodSupported by Portable Class LibraryExecute<TResult>(Expression)Executes the strongly-typed query represented by a specified expression tree.
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The IQueryProvider interface is intended for implementation by query providers.

For more information about how to create your own LINQ provider, see LINQ: Building an IQueryable Provider on MSDN Blogs.

.NET Framework

Supported in: 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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