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IQueryProvider.Execute<TResult> Method (Expression)

Executes the strongly-typed query represented by a specified expression tree.

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

TResult Execute<TResult>(
	Expression expression
)

Type Parameters

TResult

The type of the value that results from executing the query.

Parameters

expression
Type: System.Linq.Expressions.Expression
An expression tree that represents a LINQ query.

Return Value

Type: TResult
The value that results from executing the specified query.

The Execute method executes queries that return a single value (instead of an enumerable sequence of values). Expression trees that represent queries that return enumerable results are executed when the IQueryable<T> object that contains the expression tree is enumerated.

The Queryable standard query operator methods that return singleton results call Execute. They pass it a MethodCallExpression that represents a LINQ query.

.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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