C# 执行SQL事务实例代码

 [C#]
public void RunSqlTransaction(string myConnString)
{
    SqlConnection myConnection = new SqlConnection(myConnString);
    myConnection.Open();
    SqlCommand myCommand = myConnection.CreateCommand();
    SqlTransaction myTrans;
    // Start a local transaction
    myTrans = myConnection.BeginTransaction();
    // Must assign both transaction object and connection
    // to Command object for a pending local transaction
    myCommand.Connection = myConnection;
    myCommand.Transaction = myTrans;
    try
    {
      myCommand.CommandText = "Insert into Region (RegionID, RegionDescription) VALUES (100, ´Description´)";
      myCommand.ExecuteNonQuery();
      myCommand.CommandText = "Insert into Region (RegionID, RegionDescription) VALUES (101, ´Description´)";
      myCommand.ExecuteNonQuery();
      myTrans.Commit();
      Console.WriteLine("Both records are written to database.");
    }
    catch(Exception e)
    {
      try
      {
        myTrans.Rollback();
      }
      catch (SqlException ex)
      {
        if (myTrans.Connection != null)
        {
          Console.WriteLine("An exception of type " + ex.GetType() +