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如何在Lambda表达式中编写以下sql查询。如何在Lambda表达式中编写以下sql查询
select rating from ratingtable where [email protected] and [email protected]
如何在Lambda表达式中编写以下sql查询。如何在Lambda表达式中编写以下sql查询
select rating from ratingtable where [email protected] and [email protected]
您的意思是在LINQ?就像这样:
var movieId = 3902; // use valid movie ID
var userId = 5802; // use valid user ID
ratingtable.Where(x => x.movieId==movieId && x.userid==userId)
var results = from rt in ratingtable.Where(rt => rt.movieId == movie && rt.userid == user)
select rt
这是一个伟大的地方开始,以及简单查询: http://code.msdn.microsoft.com/101-LINQ-Samples-3fb9811b