分布式隐式事务

 public class SqlHelper

    {

        public static string GetConnection()

        {

            string connStr = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;

            return connStr;

        }

        public static int ExecuteNonQuery(string sql, params MySqlParameter[] parameters)

        {

            int result = -1;

            using (MySqlConnection conn = new MySqlConnection(GetConnection()))

            {

                conn.Open();

                using (MySqlCommand cmd = conn.CreateCommand())

                {

                    cmd.CommandText = sql;

                    cmd.Parameters.AddRange(parameters);

                    result = cmd.ExecuteNonQuery();

                }

            }

            return result;

        }

        public static DataTable ExecuteDataTable(string sql, params MySqlParameter[] parameters)

        {

            using (MySqlConnection conn = new MySqlConnection(GetConnection()))

            {

                using (MySqlCommand cmd = conn.CreateCommand())

                {

                    cmd.CommandText = sql;

                    cmd.Parameters.AddRange(parameters);

                    using (MySqlDataAdapter da = new MySqlDataAdapter(cmd))

                    {

                        using (DataSet ds = new DataSet())

                        {

                            da.Fill(ds);

                            return ds.Tables[0];

                        }

                    }

                }

            }

        }

    }