DbFunctionAggregate Class

Reference

Definition

Namespace:: System.Data.Common.CommandTrees

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.

Supports standard aggregate functions, such as MIN, MAX, AVG, SUM, and so on. This class cannot be inherited.

public ref class DbFunctionAggregate sealed : System::Data::Common::CommandTrees::DbAggregate

public sealed class DbFunctionAggregate : System.Data.Common.CommandTrees.DbAggregate

type DbFunctionAggregate = class
    inherit DbAggregate

Public NotInheritable Class DbFunctionAggregate
Inherits DbAggregate

Inheritance: Object

DbAggregate
DbFunctionAggregate

Remarks

This aggregate type corresponds to the invocation of an aggregate function.

Aggregates are pseudo-expressions, and can only appear in the aggregates clause of a GroupBy expression.

Properties

Arguments	Gets the list of expressions that define the arguments to this DbAggregate. (Inherited from DbAggregate)
Distinct	Gets a value indicating whether this aggregate is a distinct aggregate.
Function	Gets the method metadata that specifies the aggregate function to invoke.
ResultType	Gets the result type of this DbAggregate. (Inherited from DbAggregate)

Methods

Equals(Object)	Determines whether the specified object is equal to the current object. (Inherited from Object)
GetHashCode()	Serves as the default hash function. (Inherited from Object)
GetType()	Gets the Type of the current instance. (Inherited from Object)
MemberwiseClone()	Creates a shallow copy of the current Object. (Inherited from Object)
ToString()	Returns a string that represents the current object. (Inherited from Object)

Extension Methods

As(DbAggregate, String)

Returns the specified arguments as a key/value pair object.

Applies to

แชร์ผ่าน