How Can I convert Subquery Sql to lambda expression?

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Hello
I have this sql command Could you help me How can I write this with lambda expression?

Select A.*
from Tablename A inner join (select address,state
from Tablename
group by address,state
having count(*)>1) B
on A.address=B.address and A.state=B.state

Thank for your help

Posted 13-Apr-15 1:45am

bkashani

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Maciej Los · Answer 1 · 2015-04-13T03:10:00

Solution 1

Try this:

C#

var qry = TableA.AsEnumerable()
         .GroupBy(a=>new{a.address, a.state})
         .Where(grp.Count()>1)
         .Select(d=>new{address=d.Key.address, state=d.Key.state});

Posted 13-Apr-15 3:10am

Maciej Los