| IMongoCollectionExtensionsDeleteOneTDocument Method (IMongoCollectionTDocument, IClientSessionHandle, ExpressionFuncTDocument, Boolean, DeleteOptions, CancellationToken) | 
 
            Deletes 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 DeleteResult DeleteOne<TDocument>(
	this IMongoCollection<TDocument> collection,
	IClientSessionHandle session,
	Expression<Func<TDocument, bool>> filter,
	DeleteOptions options = null,
	CancellationToken cancellationToken = null
)
<ExtensionAttribute>
Public Shared Function DeleteOne(Of TDocument) ( 
	collection As IMongoCollection(Of TDocument),
	session As IClientSessionHandle,
	filter As Expression(Of Func(Of TDocument, Boolean)),
	Optional options As DeleteOptions = Nothing,
	Optional cancellationToken As CancellationToken = Nothing
) As DeleteResult
[<ExtensionAttribute>]
static member DeleteOne : 
        collection : IMongoCollection<'TDocument> * 
        session : IClientSessionHandle * 
        filter : Expression<Func<'TDocument, bool>> * 
        ?options : DeleteOptions * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _options = defaultArg options null
        let _cancellationToken = defaultArg cancellationToken null
*)
-> DeleteResult 
Parameters
- collection
- Type: MongoDB.DriverIMongoCollectionTDocument
 The collection.
- session
- Type: MongoDB.DriverIClientSessionHandle
 The session.
- filter
- Type: System.Linq.ExpressionsExpressionFuncTDocument, Boolean
 The filter.
- options (Optional)
- Type: MongoDB.DriverDeleteOptions
 The options.
- cancellationToken (Optional)
- Type: System.ThreadingCancellationToken
 The cancellation token.
Type Parameters
- TDocument
- The type of the document.
Return Value
Type: 
DeleteResult
            The result of the delete 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