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DbAggregate Class

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

Namespace:  System.Data.Common.CommandTrees
Assembly:  System.Data.Entity (in System.Data.Entity.dll)

public abstract class DbAggregate

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.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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 SP1

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