在数据库中开始一个事务。

下面的示例创建一个 OracleConnection 和一个 OracleTransaction。它还演示了如何使用 BeginTransaction、Commit 和 Rollback 方法。

public void RunOracleTransaction(string myConnString)
{
   OracleConnection myConnection = new OracleConnection(myConnString);
   myConnection.Open();

   OracleCommand myCommand = myConnection.CreateCommand();
   OracleTransaction myTrans;

   // Start a local transaction
   myTrans = myConnection.BeginTransaction(IsolationLevel.ReadCommitted);
   // Assign transaction object for a pending local transaction
   myCommand.Transaction = myTrans;

   try
   {
     myCommand.CommandText = "INSERT INTO Dept (DeptNo, Dname, Loc) values (50, 'TECHNOLOGY', 'DENVER')";
     myCommand.ExecuteNonQuery();
  myCommand.CommandType= CommandType.StoredProcedure；
   myCommand.CommandText="prc_test";
     myCommand.ExecuteNonQuery();
     myTrans.Commit();
     Console.WriteLine("Both records are written to database.");
   }
   catch(Exception e)
   {
     myTrans.Rollback();
     Console.WriteLine(e.ToString());
     Console.WriteLine("Neither record was written to database.");
   }
   finally
   {
     myConnection.Close();
   }
}

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