16.8.2.1 OracleRef(OracleConnection, string)
This constructor creates an instance of the OracleRef class with a connection and a HEX string that represents an REF instance in the database.
                  
Declaration
// C# public OracleRef(OracleConnection con, string hexStr);
Parameters
- 
                        conAn OracleConnectioninstance.
- 
                        hexStrA HEX string that represents an REFinstance in the database.
Exceptions
ArgumentException - The HEX string does not represent a valid REF in the database.
                  
ArgumentNullException - The connection or HEX string is null.
                  
InvalidOperationException - The OracleConnection object is not open.
                  
Remarks
When an OracleRef instance is created, it is referenced to a specific table in the database.
                  
The connection must be opened explicitly by the application. OracleRef does not open the connection implicitly.