| WriteConcernResult Properties | 
The WriteConcernResult type exposes the following members.
 Properties
Properties| Name | Description | |
|---|---|---|
|  | DocumentsAffected | 
            Gets the number of documents affected.
             | 
|  | HasLastErrorMessage | 
            Gets whether the result has a LastErrorMessage.
             | 
|  | LastErrorMessage | 
            Gets the last error message (null if none).
             | 
|  | Response | 
            Gets the wrapped result.
             | 
|  | UpdatedExisting | 
            Gets whether the last command updated an existing document.
             | 
|  | Upserted | 
            Gets the _id of an upsert that resulted in an insert.
             | 
 See Also
See Also