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 | |
|---|---|---|
.gif "Public method") .gif "Supported by Silverlight for Windows Phone") |
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.