Export (0) Print
Expand All
Expand Minimize

DbExpressionBuilder.Except Method

.NET Framework 4.5

Creates a new DbExceptExpression that computes the subtraction of the right set argument from the left set argument.

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

public static DbExceptExpression Except(
	this DbExpression left,
	DbExpression right


Type: System.Data.Common.CommandTrees.DbExpression

An expression that defines the left set argument.

Type: System.Data.Common.CommandTrees.DbExpression

An expression that defines the right set argument.

Return Value

Type: System.Data.Common.CommandTrees.DbExceptExpression
A new DbExceptExpression that represents the difference of the left argument from the right argument.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type DbExpression. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).


left or right is null.


No common collection result type exists between left and right.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

© 2014 Microsoft