DbExpressionBuilder.Distinct(DbExpression) Method

Reference

Definition

Namespace:: System.Data.Common.CommandTrees.ExpressionBuilder

Assembly:: System.Data.Entity.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Creates a new DbDistinctExpression that removes duplicates from the given set argument.

public:
[System::Runtime::CompilerServices::Extension]
 static System::Data::Common::CommandTrees::DbDistinctExpression ^ Distinct(System::Data::Common::CommandTrees::DbExpression ^ argument);

public static System.Data.Common.CommandTrees.DbDistinctExpression Distinct (this System.Data.Common.CommandTrees.DbExpression argument);

static member Distinct : System.Data.Common.CommandTrees.DbExpression -> System.Data.Common.CommandTrees.DbDistinctExpression

<Extension()>
Public Function Distinct (argument As DbExpression) As DbDistinctExpression

Parameters

argument: DbExpression

An expression that defines the set over which to perform the distinct operation.

Returns

DbDistinctExpression

A new DbDistinctExpression that represents the distinct operation applied to the specified set argument.

Exceptions

ArgumentNullException

argument is null.

ArgumentException

argument does not have a collection result type.

Applies to

Kongsi melalui