DbAggregate 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.

Implements the basic functionality required by aggregates in a GroupBy clause.

public ref class DbAggregate abstract

public abstract class DbAggregate

type DbAggregate = class

Public MustInherit Class DbAggregate

Inheritance: Object
DbAggregate

Derived: System.Data.Common.CommandTrees.DbFunctionAggregate

System.Data.Common.CommandTrees.DbGroupAggregate

Remarks

Aggregates are pseudo-expressions, and are severely restricted in where they can appear. Aggregates 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.
ResultType	Gets the result type of this 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

שתף באמצעות