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我試圖在Visual Basic中學習EF。我正在努力尋找任何易於理解的簡單教程,如何做內部連接。實體框架VB加入
這是我想要的EF複製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的一個很短的手的方式,但我需要讓事情變得簡單和可讀性可能因爲我是垃圾!這是那種事情,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
如果有任何人能夠以明確的方式打下了這一點,這樣我可以從中吸取教訓,將是偉大的!