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T-SQL query to LINQ
Message
De
20/10/2014 13:44:52
John Baird
Coatesville, Pennsylvanie, États-Unis
 
 
Information générale
Forum:
ASP.NET
Catégorie:
LINQ
Versions des environnements
Environment:
C# 4.0
OS:
Windows 7
Network:
Windows 2003 Server
Database:
MS SQL Server
Application:
Web
Divers
Thread ID:
01609660
Message ID:
01609666
Vues:
45
>>>>Off the top of my head, if I understood your problem correctly. It would be something like this:
>>>>
>>>>var list = (from  d in _dbSet.Where(x => x.Account == accountName && x.Hidden == false)
>>>>               from t in transact .Sum(s=>s.extension).Where(w=>w.extension != null && w.invoiceNo == d.InvoiceNo).
>>>>              select(x => new InvoicesList { InvoiceNo = x.InvoiceNo, Account = x.Account, Hidden = x.Hidden, 
>>>>                                                          Descrip = x.Descrip1, Finalized = x.Finalized, Created = .DateTime}, InvoiceBalance= t)).ToList();
>>>>
>>>
>>>I am trying to use this syntax, but getting errors and can not figure this out. Here is my attempt, but I don't see where to put Sum here:
>>>
>>>
>>> var invoicesList =  (from  d in _dbSet.Where(x => x.Account == accountName && x.Hidden == false)
>>>                 from i in _siriusContext.Transact.Where(w=>w.Extension != null && w.InvoiceNo == d.InvoiceNo)
>>>                select(x => new InvoicesList { InvoiceNo = x.InvoiceNo, Account = x.Account, Hidden = x.Hidden, Descrip = x.Descrip1, Finalized = x.Finalized, Created = x.DateTime, Balance= i.Extension}))
>>>
>>
>>My example had the sum in it... btw, what are the errors?
>
>If I leave sum where you have it, then it says that decimal doesn't have Sum operator (something along the lines).
>
>I found this sample http://stackoverflow.com/questions/1285710/linq-to-sql-join-and-sum which I'll try to adapt now.

You're amazing... rather than figure out the code and the problem, you flit off to another solution to try (read someone elses code). Why don't you keep at the linq statement until you solve the problem on your own and learn from it.

There's nothing preventing summing on decimals...
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