IQueryProvider Interface

Microsoft Silverlight will reach end of support after October 2021. Learn more.

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

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

Syntax

'Declaration
Public Interface IQueryProvider

public interface IQueryProvider

Methods

	Name	Description
	CreateQuery(Expression)	Constructs an IQueryable object that can evaluate the query represented by a specified expression tree.
	CreateQuery<TElement>(Expression)	Constructs an IQueryable<T> object that can evaluate the query represented by a specified expression tree.
	Execute(Expression)	Executes the query represented by a specified expression tree.
	Execute<TResult>(Expression)	Executes the strongly-typed query represented by a specified expression tree.

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Remarks

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.

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

See Also

Reference

System.Linq Namespace

Queryable

IQueryable<T>