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OracleParameter.Direction Property

Definition

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.

Applies to