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UpdateDefinitionExtensionsUnsetTDocument Method (UpdateDefinitionTDocument, ExpressionFuncTDocument, Object)

Combines an existing update with an unset operator.

Namespace:  MongoDB.Driver
Assembly:  MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.6.0+Branch.origin/v2.6.x.Sha.593796a7b35dc59243383bcc684de296a5468f2e
public static UpdateDefinition<TDocument> Unset<TDocument>(
	this UpdateDefinition<TDocument> update,
	Expression<Func<TDocument, Object>> field


Type: MongoDB.DriverUpdateDefinitionTDocument
The update.
Type: System.Linq.ExpressionsExpressionFuncTDocument, Object
The field.

Type Parameters

The type of the document.

Return Value

Type: UpdateDefinitionTDocument
A combined update.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type UpdateDefinitionTDocument. 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).
See Also