C# 数据回滚

public  int GetExecteQuery(string strAddSql, string strUpdateSql, string strDelSql)

        {

            SqlConnection conn = new SqlConnection(System.Configuration.ConfigurationSettings.AppSettings["GPSP_SQL"]);//实例化数据连接

            //SqlConnection conn = new SqlConnection(CONN_STRING);

            conn.Open();

            SqlCommand command = conn.CreateCommand();



            SqlTransaction transaction = null;

            transaction = conn.BeginTransaction();

            command.Connection = conn;

            command.Transaction = transaction;

            int count = 0;



            try

            {

                if (strAddSql != "")

                {

                    command.CommandText = “insert into A.....”;

                    command.ExecuteNonQuery();

                }

                if (strUpdateSql != "")

                {

                    command.CommandText = “insert into B.....”;

                    count = command.ExecuteNonQuery();

                }

                if (strDelSql != "")

                {

                    command.CommandText = “insert into C.....”;

                    count = command.ExecuteNonQuery();

                }

                transaction.Commit();

            }

            catch

            {



                transaction.Rollback();

            }



            return count;

        }