Chiranjeevi Aripaka

Chiranjeevi Aripaka

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How to aggregate set of marks from database in asp uisng c#

Jan 11 2012 1:28 AM
hi friends,

 please help me in aggregating set of marks from database. when i select the a particular department using dropdown listbox then the percentage of all the students has to be appear in the gridview who belongs to that branch in asp using c#.

 for example.

  it i select cse department then rollno,name,percentage has to be appear in the gridview. similarly other branches also .

my database is shown below.
----------------------------

database table






rollno name c dbms java se
1 chiru 80 89 78 88
2 venu 89 88 78 67
3 naveen 77 67 75 65
now  it should display the above data percentage like shown below

rollno name  percentage
1 chiru 83.75
2 venu 80.5
3 naveen 71


thanks in advance

Answers (3)