Question

我是LINQ的新手我需要将此SQL查询转换为LINQ查询：

SELECT 
    SUM(t.NH) AS SumofNH,
    SUM(t.[T1.5]) AS soumofT1,
    SUM(t.DT) AS SumOfDT,
    SUM(pu.Amount) AS Amount, 
    s.ScopeID AS scopeId 
from 
    [dbo].[PO] as p
join 
    [dbo].[POUnit] as pu on p.POID = p.POID
join 
    [dbo].[Scope] as s on pu.ScopeCodeID = s.ScopeID
join 
    [dbo].[Timesheet] as t on s.ScopeID=t.ScopeID
join 
    [dbo].[Projects] as pr on s.ProjectID = pr.ProjectID
where 
    s.[ProjectID] = 1 
group by 
    s.ScopeID

是的，有人可以帮帮我吗？提前谢谢。

Answer 1

你的SQL到LINQ看起来像这样： - 试试这个

from po1 in PO
   join pu in POUnit on po1.POID equals pou.POID
   join s in Scope on pou.ScopeCodeID equals s.ScopeID
   join t in Timesheet on s.ScopeID equals t.ScopeID
   join pr in Projects on s.ProjectID equals pr.ProjectID
   where s.ProjectID = 1
   group by s.ScopeID
   Select new 
     {
        SumofNH = SUM(t.NH),
        soumofT1 = SUM(t.[T1.5]),
        SumOfDT = SUM(t.DT),
        Amount = SUM(pu.Amount), 
        scopeId = s.ScopeID
     }

如何将sql查询转换为LINQ查询？

1 个答案: