Convert code to LINQ & lambda

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Hello I want Convert Below Code To Linq & Lambda Please Help Me

SQL

select Section, COUNT(*) from HealthyMap GROUP BY Section

regards
yarian

What I have tried:

In Entity FrameWork By C#
Linq To Entity

Posted 12-Aug-16 20:13pm

misaqyrn9677

Updated 12-Aug-16 21:23pm

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Karthik_Mahalingam · Accepted Answer · 2016-08-12T21:23:00

Solution 1

try this

C#

var result = YourList.GroupBy(k => k.Section).Select(grp => new { Section = grp.Key, Count = grp.Count() }).ToList();

Posted 12-Aug-16 21:23pm

Karthik_Mahalingam

Comments

Garth J Lancaster 13-Aug-16 3:33am

I was a bit worried about the .ToList(), thinking that a dictionary might have been better - but then I realised you're creating and returning a list of anonymous objects with Section and Count properties - nice :-)

Karthik_Mahalingam 13-Aug-16 3:50am

:-)