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IQueryProvider.Execute<TResult> Method (Expression)

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

Namespace:  System.Linq
Assemblies:   System.Linq.Expressions (in System.Linq.Expressions.dll)
  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: 4.6, 4.5, 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
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