[英]joining statement with linqdatasource
如何使此sql查询与linqdatasource一起使用?
select tbl_WeekDays.WeekDay, tbl_DayTimes.TimeFrom, tbl_DayTimes.TimeTo from tbl_WeekDays
left join tbl_DayTimes on tbl_DayTimes.WeekDayId = tbl_WeekDays.WeekDayId
where tbl_WeekDays.classID = @id
我已经读过这个答案,但是我不明白linqdatasource join语句使用的语法。 任何帮助都会很棒。
使用LinQ语句,它应类似于以下代码。 请注意,这是我写的,未经测试。 这仅是其外观的指示,而不是有效的解决方案。
//Change following variables accordingly
var ctx = new YourDbContext();
var id = 3;
from tblWeekDays in ctx.WeekDays
join tblDayTimes in ctx.DayTimes
on tblWeekDays.WeekDayId == tblDayTimes.WeekDayId
where tblWeekDays.classID == id
select new
{
WeekDay = tblWeekDays.WeekDay,
TimeFrom = tblDayTimes.TimeFrom,
TimeTo = tblDayTimes.TimeTo
};
希望这能帮助您。
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.