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.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

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

.NET Framework

Supported in: 3.5
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