OracleParameter.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:
property System::Data::ParameterDirection Direction { System::Data::ParameterDirection get(); void set(System::Data::ParameterDirection value); };
public:
virtual property System::Data::ParameterDirection Direction { System::Data::ParameterDirection get(); void set(System::Data::ParameterDirection value); };
public System.Data.ParameterDirection Direction { get; set; }
public override System.Data.ParameterDirection Direction { get; set; }
member this.Direction : System.Data.ParameterDirection with get, set
Public Property Direction As ParameterDirection
Public Overrides Property Direction As ParameterDirection
Property Value
One of the ParameterDirection values. The default is Input
.
Implements
Exceptions
The property was not set to one of the valid ParameterDirection values.
Examples
The following example creates a OracleParameter and sets some of its properties.
Public Sub CreateOracleDbParameter()
Dim parameter As New OracleParameter()
parameter.ParameterName = "pDName"
parameter.DbType = DbType.String
parameter.Value = "ENGINEERING"
parameter.SourceColumn = "DName"
End Sub
public void CreateOracleDbParameter()
{
OracleParameter parameter = new OracleParameter();
parameter.ParameterName = "pDName";
parameter.DbType = DbType.String;
parameter.Value = "ENGINEERING";
parameter.SourceColumn = "DName";
}
Remarks
If the ParameterDirection is output, and execution of the associated OracleCommand does not return a value, the OracleParameter contains a null value.
Output
, InputOut
, and ReturnValue
parameters returned by calling ExecuteReader cannot be accessed until you call Close on the OracleDataReader.