| IMongoCollectionExtensionsUpdateOneTDocument Method (IMongoCollectionTDocument, ExpressionFuncTDocument, Boolean, UpdateDefinitionTDocument, UpdateOptions, CancellationToken) | 
 
            Updates a single document.
            
 
    Namespace: 
   MongoDB.Driver
    Assembly:
   MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.5.0+57.Branch.master.Sha.6a4e00a2d91090c65a9b11364b9ebfdb9c7da076
 Syntax
Syntaxpublic static UpdateResult UpdateOne<TDocument>(
	this IMongoCollection<TDocument> collection,
	Expression<Func<TDocument, bool>> filter,
	UpdateDefinition<TDocument> update,
	UpdateOptions options = null,
	CancellationToken cancellationToken = null
)
<ExtensionAttribute>
Public Shared Function UpdateOne(Of TDocument) ( 
	collection As IMongoCollection(Of TDocument),
	filter As Expression(Of Func(Of TDocument, Boolean)),
	update As UpdateDefinition(Of TDocument),
	Optional options As UpdateOptions = Nothing,
	Optional cancellationToken As CancellationToken = Nothing
) As UpdateResult
[<ExtensionAttribute>]
static member UpdateOne : 
        collection : IMongoCollection<'TDocument> * 
        filter : Expression<Func<'TDocument, bool>> * 
        update : UpdateDefinition<'TDocument> * 
        ?options : UpdateOptions * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _options = defaultArg options null
        let _cancellationToken = defaultArg cancellationToken null
*)
-> UpdateResult 
Parameters
- collection
- Type: MongoDB.DriverIMongoCollectionTDocument
 The collection.
- filter
- Type: System.Linq.ExpressionsExpressionFuncTDocument, Boolean
 The filter.
- update
- Type: MongoDB.DriverUpdateDefinitionTDocument
 The update.
- options (Optional)
- Type: MongoDB.DriverUpdateOptions
 The options.
- cancellationToken (Optional)
- Type: System.ThreadingCancellationToken
 The cancellation token.
Type Parameters
- TDocument
- The type of the document.
Return Value
Type: 
UpdateResult
            The result of the update operation.
            
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type 
IMongoCollectionTDocument. 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
See Also