mysql 返回自增id

　　　　　　 String dateNow=  DateTime.Now.ToString("yyyyMMddhhmmss"+  new Random().Next(1, 99)); //随机数

                    StringBuilder sqlStr = new StringBuilder();
                    //1.添加年卡基础信息，获得自增ID
                    sqlStr.Append(" insert  a set a.id=1;  select @@IDENTITY " ,
                       

                    //自增id
                     int num = int.Parse(Shove.Database.MySQL.ExecuteScalar(sqlStr.ToString()).ToString());