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我试图在Visual Basic中学习EF。我正在努力寻找任何易于理解的简单教程,如何做内部连接。实体框架VB加入
这是我想要的EF复制SQL:
SELECT Quote.LockedDateTime, IncommingQuoteStatus.StatusDesc, Users.FirstName
+ ' ' + Users.LastName AS UserName
FROM Quote
INNER JOIN IncommingQuoteStatus ON IncommingQuoteStatus.StatusID = Quote.Status
INNER JOIN Users ON Quote.LockedUserID = Users.UserID WHERE Quote.QuoteID = 1111;
我知道有做EF的一个很短的手的方式,但我需要让事情变得简单和可读性可能因为我是垃圾!这是那种事情,我一直在努力:
Using db2 As New quotingSystemDevEntities
Dim User = (From Users In db.Users Where Users.UserID = Quote.LockedUserID _
Select Users).SingleOrDefault
' Now I can do something
End Using
如果有任何人能够以明确的方式打下了这一点,这样我可以从中吸取教训,将是伟大的!