DbParameter.Direction Property
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Gets or sets a value that indicates whether the parameter is input-only, output-only, bidirectional, or a stored procedure return value parameter.
public:
abstract property System::Data::ParameterDirection Direction { System::Data::ParameterDirection get(); void set(System::Data::ParameterDirection value); };
public abstract System.Data.ParameterDirection Direction { get; set; }
member this.Direction : System.Data.ParameterDirection with get, set
Public MustOverride Property Direction As ParameterDirection
Property Value
One of the ParameterDirection values. The default is Input
.
Implements
Exceptions
The property is not set to one of the valid ParameterDirection values.
Remarks
If the ParameterDirection is output, and execution of the associated DbCommand does not return a value, the DbParameter contains a null value.
Output
, InputOut
, and ReturnValue
parameters returned by calling ExecuteReader cannot be accessed until you call Close or Dispose on the DbDataReader.
Applies to
See also
Feedback
https://aka.ms/ContentUserFeedback.
Kommer snart: I hele 2024 udfaser vi GitHub-problemer som feedbackmekanisme for indhold og erstatter det med et nyt feedbacksystem. Du kan få flere oplysninger under:Indsend og få vist feedback om