linq c# with group sum join [Trying to convert sql query to linq query]

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Select app.Application_Category as appcat,
SUM(Total_Expected_Availability) as tot_exp_avl,
SUM(Planned_Outage) as tot_pld,
SUM(Unplanned_Outage) as tot_unpld,
SUM(Unplanned_Outage- Unplanned_SignOff) as tot_unpld_sgn,
app.MSL,
app.ESL,
(Sum(Total_Expected_Availability-Planned_Outage-(Unplanned_Outage+Unplanned_SignOff))/SUM(Total_Expected_Availability-Planned_Outage))*100 as perc_achd
from App_Master_2 app
inner join Outage_Metrics outmet on app.Application_Category=outmet.Application_Category and app.Application_ID=outmet.Application_ID
where outmet.Month='9' and outmet.Year='2013'
Group by app.Application_Category,app.MSL,app.ESL

i tried like this but it shows error

maindashboardreport = (from outMet in lstOutage_Metrics
join app in lstApp_Master_2
on outMet.Application_ID equals app.Application_ID
where outMet.Application_Category == app.Application_Category && outMet.Month == monthValue && outMet.Year == yearValue
group app by new { app.Application_Category, app.MSL, app.ESL, outMet.Total_Expected_Availability, outMet.Planned_Outage, outMet.Unplanned_Outage, outMet.Unplanned_SignOff } into g
select new
{
g.Key.Application_Category,
g.Sum(t => t.Total_Expected_Availability).GetValueOrDefault(),
g.Sum(t => t.Planned_Outage).GetValueOrDefault(),
g.Sum(t => t.Unplanned_Outage).GetValueOrDefault(),
(g.Sum(t => t.Unplanned_Outage).GetValueOrDefault() - g.Sum(t => t.Unplanned_SignOff).GetValueOrDefault()),
g.Key.MSL.GetValueOrDefault(),
g.Key.ESL.GetValueOrDefault()
}).Distinct().ToList();

pls help me to fix this..

Posted 5-Sep-13 6:03am

ganesan2510

Updated 5-Sep-13 6:41am

v2

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Comments

Jameel VM 5-Sep-13 12:15pm

what is the pblm?

2 solutions

Solution 2

SQL

select * from PersonInfo
where code
in
(select a.Code from PersonInfo as a ,TradeElamieh as b
where a.Code=b.person1 and b.Actual=1 and (a.Investor_ID like'1338%' or a.Investor_ID like'1339%')
 and b.date>'2012-01-01' and a.Investor_ID IS NOT NULL)

Posted 20-Jan-14 22:50pm

isa shahabadi

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ganesan2510 · Accepted Answer · 2013-09-05T06:54:00

sample Linq query which using Join, group, Sum.

var maindashboardreport = (from outMet in lstOutage_Metrics
join app in lstApp_Master_2
on outMet.Application_ID equals app.Application_ID
where outMet.Application_Category == app.Application_Category && outMet.Month == monthValue && outMet.Year == yearValue
group new
{
app.Application_Category,
app.MSL,
app.ESL,
outMet.Total_Expected_Availability,
outMet.Planned_Outage,
outMet.Unplanned_Outage,
outMet.Unplanned_SignOff
} by new
{
app.Application_Category,
app.MSL,
app.ESL
} into g

select new Application_Avail
{
Application_Category = g.Key.Application_Category,
tot_exp_avl = g.Sum(t => t.Total_Expected_Availability).GetValueOrDefault(),// sum(t => t.total_expected_availability).getvalueordefault(),
tot_pld = g.Sum(t => t.Planned_Outage).GetValueOrDefault(),
tot_unpld = g.Sum(t => t.Unplanned_Outage).GetValueOrDefault(),
tot_unpld_sgn = (g.Sum(t => t.Unplanned_Outage).GetValueOrDefault() - g.Sum(t => t.Unplanned_SignOff).GetValueOrDefault()),
MSL = g.Key.MSL.GetValueOrDefault(),
ESL = g.Key.ESL.GetValueOrDefault()
}).Distinct().ToList();