IQueryProvider.CreateQuery Method (Expression)


Constructs an IQueryable object that can evaluate the query represented by a specified expression tree.

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

IQueryable CreateQuery(
	Expression expression


Type: System.Linq.Expressions.Expression

An expression tree that represents a LINQ query.

Return Value

Type: System.Linq.IQueryable

An IQueryable that can evaluate the query represented by the specified expression tree.


The Expression property of the returned IQueryable object is equal to expression.

The CreateQuery method is used to create new IQueryable objects, given an expression tree. The query that is represented by the returned object is associated with a specific LINQ provider.

Several of the standard query operator methods defined in Queryable, such as OfType<TResult> and Cast<TResult>, call this method. They pass it a MethodCallExpression that represents a LINQ query.

Universal Windows Platform
Available since 8
.NET Framework
Available since 3.5
Portable Class Library
Supported in: portable .NET platforms
Available since 2.0
Windows Phone Silverlight
Available since 7.1
Windows Phone
Available since 8.1
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