как использовать group by
в Linq.
SqlServer Sample
select
ActionGroupName,
sum(cast(isnull(solicit_count,0) as int)) as 'SolicitCount'
from
[solicits]
group by
ActionGroupName
моя версия linq
var groupbyfilter = from v in lstSale
group v by v.ActionGroupName into g
select g.ActionGroupName, sum(g.solicit_count)
Я не правильно понимаю.