OracleException Class

The exception that is generated when Oracle returns an error.

For a list of all members of this type, see OracleException members.

Inheritance Hierarchy

System.Object
   System.Exception
      System.SystemException
         System.Runtime.InteropServices.ExternalException
            System.Data.Common.DbException
               Devart.Data.Oracle.OracleException

Syntax

[Visual Basic]
Public Class OracleException 
   Inherits DbException
   Implements _Exception, ISerializable

[C#]
public class OracleException : DbException, _Exception, ISerializable

Remarks

This class is created whenever dotConnect for Oracle encounters an error generated by the server, or OracleConnection has been closed before attempting to execute an operation on the server.

Example

The following example generates a OracleException due to a missing database, and then displays the exception.

[C#]

public void ThrowOracleException() 
{ 
  string mySelectQuery = "SELECT * FROM Test.Dept"; 
  OracleConnection myConnection = 
    new OracleConnection( 
        "User Id=Scott;Password=tiger;Data Source=Ora"); 
  OracleCommand myCommand = new OracleCommand(mySelectQuery,myConnection); 
  try 
  { 
    myCommand.Connection.Open(); 
  } 
  catch (OracleException myException) 
  { 
    MessageBox.Show("Message: " + myException.Message + "\n"); 
  } 
}

[Visual Basic]

Public Sub ThrowOracleException()
   Dim mySelectQuery As String = "SELECT * FROM Test.Dept"
   Dim myConnection As New OracleConnection( _
     "User Id=Scott;Password=tiger;Data Source=Ora")
   Dim myCommand As New OracleCommand(mySelectQuery, myConnection)
   Try
     myCommand.Connection.Open()
   Catch myException As OracleException
     MessageBox.Show("Message: " + myException.Message + ControlChars.Cr)
   End Try
 End Sub

See Also

Language