DbParameter.Direction Property
Definition
Important
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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, setPublic MustOverride Property Direction As ParameterDirectionProperty 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.
