get selecting count in linq

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hey

in below query i want to get count of answer to a question

C#

(from sq in context.TblStudentQues
                                 join asq in context.TblAnswerStudentQues on sq.IDstques equals asq.IDMaster
                                 join u in context.TblUsers on sq.IDUser equals u.IDUser 
                                 group asq by asq.ID into cc
                                 select new {u.FamilyName,cc.Count() }).ToList();

my code doesn't work . why ?

Posted 11-Jul-13 18:25pm

aref.bozorgmehr

Updated 11-Jul-13 20:19pm

v3

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_Asif_ 12-Jul-13 0:32am

Seems like problem is in your join condition. Simplify your join and check again

aref.bozorgmehr 12-Jul-13 1:29am

what can i to do ?

StM0n 12-Jul-13 2:23am

should there really be two commas?!

(Moved up from Solution due it was a question but needed formatting; no need to answer :)

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Deenuji · Answer 1 · 2013-07-11T21:48:00

Solution 2

try the following link:

http://stackoverflow.com/questions/7012495/linq-query-to-count-field-in-datatable[^]

http://msdn.microsoft.com/en-us/library/vstudio/bb397906.aspx[^]

Posted 11-Jul-13 21:48pm

Deenuji

maneavnash · Answer 2 · 2013-07-11T21:52:00

Solution 3

C#

(from sq in context.TblStudentQues
                                 join asq in context.TblAnswerStudentQues on sq.IDstques equals asq.IDMaster
                                 join u in context.TblUsers on sq.IDUser equals u.IDUser 
                                 group asq by asq.ID into cc
                                 select new {asq.ID,cc.Count() }).ToList();

Posted 11-Jul-13 21:52pm

maneavnash

Comments

aref.bozorgmehr 12-Jul-13 4:27am

Error Invalid anonymous type member declarator. Anonymous type members must be declared with a member assignment, simple name or member access.

maneavnash 12-Jul-13 5:02am

(from sq in context.TblStudentQues
join asq in context.TblAnswerStudentQues on sq.IDstques equals asq.IDMaster
join u in context.TblUsers on sq.IDUser equals u.IDUser
group asq by asq.ID into cc
select new {cc.asq.ID,cc.Count() }).ToList();

aref.bozorgmehr 12-Jul-13 6:20am

isn't true