/************************非查询操作*****************************************/

//今天太晚了，先写个非查询操作的，明天在写查询操作的。

/****函数*****/
        /// <summary>
        /// 增删改数据，返回影响行数，没有则返回-1
        /// </summary>
        /// <param name="sql">sql语句</param>
        /// <param name="ps">参数</param>
        /// <returns>返回影响行数</returns>

       static string connStr ="server=IP;User Id=账号名;password=密码;Database=表名"；
        public static int ExecuteNonQuery(string sql, params MySqlParameter[] ps)
        {

            using (MySqlConnection conn = new MySqlConnection(connStr))
            {
                using (MySqlCommand cmd = new MySqlCommand(sql, conn))
                {
                    cmd.Parameters.AddRange(ps);
                    conn.Open();
                    return cmd.ExecuteNonQuery();//返回受影响行数
                }
            }
        }

 

/****应用举例****/

   public void InsertData()
        {
               int cid=1,aid=2;

               string name="hha";
                string sql = "insert into tb_compart (compartID,compartName,areaID)values(@compartID,@compartName,@areaID);";
                MySqlParameter[] ps ={   new MySqlParameter("@compartID",(object)cid),
                new MySqlParameter("@compartName",name),
                new MySqlParameter ("@areaID",(object)aid)};
                int r = Mysql.MySQLHelper.ExecuteNonQuery(sql, ps);//r得值就是受影响的行数，执行失败r=-1；
            }

        }