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如何在Lambda表達式中編寫以下sql查詢。如何在Lambda表達式中編寫以下sql查詢
select rating from ratingtable where [email protected] and [email protected]
如何在Lambda表達式中編寫以下sql查詢。如何在Lambda表達式中編寫以下sql查詢
select rating from ratingtable where [email protected] and [email protected]
您的意思是在LINQ?就像這樣:
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
這是一個偉大的地方開始,以及簡單查詢: http://code.msdn.microsoft.com/101-LINQ-Samples-3fb9811b