我们都知道三层 读取外键 双表查询
DAL
getAllplan(){
plan表
q.planid = item["planid"].ToString();
q.promethod = item["promethod"].ToString();
q.Week = WeekService.GetWeekById(q.planid).ToString(); //外键
week表 字段 外键表
id finish state
页面 cs
List p = PlanManager.getAllplan();
for (int i = 0; i < p.Count; i++)
{
if (p[i].Week....finish="完成") 我点不出来 Week 里面的finish 字段
{
}