dotnet下ADO 操作 SQLServer 事务处理

 


    private static readonly string strCon = "server=.;database=test;uid=sa;pwd=123";


    SqlConnection con = new SqlConnection(strCon);


    public string aaa()




    ...{


        con.Open();


        SqlTransaction sta = con.BeginTransaction(IsolationLevel.ReadCommitted, "aaa");


        SqlCommand cmd = con.CreateCommand();


        cmd.Connection = con;


        cmd.Transaction = sta;




        try




        ...{


            


            cmd.CommandText = "insert into t1 (tAction) values ('a3')";


            cmd.ExecuteNonQuery();


            cmd.CommandText = "insert into t1 (tAction) values ('a4')";


            cmd.ExecuteNonQuery();


            sta.Commit();


            return "success";


        }


        catch (Exception e)




        ...{


            try




            ...{


                sta.Rollback();


            }


            catch (SqlException ex)




            ...{


                if (sta.Connection != null)




                ...{


                    return "An exception of type " + ex.GetType().ToString();


                }


            }


            return e.GetType().ToString();


        }


        finally




        ...{


            con.Close();


        }


    }