摘要： 后台逻辑层代码方法：using System;using System.Collections.Generic;using System.Linq;using System.Text;using BLL （模型命名空间）namespace namespace1(自己随意取得一个名字）{ public class TicketProvider { eBuulYinYeTripEntities db = new eBuulYinYeTripEntities();public string[] GetFromLocatijon() { string[] p = (from a in db.表名 se 阅读全文