Select case in LINQ

Asked 2010-11-22T09:39:13.653

how can I translate this into LINQ?

select t.age as AgeRange, count(*) as Users
from (
  select case  
    when age between 0 and 9 then ' 0-25'
    when age between 10 and 14 then '26-40'
    when age between 20 and 49 then '60-100'
    else '50+' end as age
  from user) t
group by t.age

Thank you!

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1 Answer

Maybe this works:

from u in users
let range = (u.Age >= 0  && u.Age < 10 ? "0-25" :
             u.Age >= 10 && u.Age < 15 ? "26-40" :
             u.Age >= 15 && u.Age < 50 ? "60-100" :
            "50+")
group u by range into g
select new { g.Key, Count=g.Count() };

answered 2010-11-22T09:57:31.557

Select case in LINQ

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