How to check the answer and display the marks..

Question

Dear all,
 
   I am doing project in asp.net using c#. My back end is Ms sql server.  

QUIZQUESTIONS FORM

LABEL

RADIOBUTTON1

RADIOBUTTON2

RADIOBUTTON3

RADIOBUTTON4

 

LABEL

RADIOBUTTON5

RADIOBUTTON6

RADIOBUTTON7

RADIOBUTTON8

 

LABEL

RADIOBUTTON9

RADIOBUTTON10

RADIOBUTTON11

RADIOBUTTON12

 

LABEL

RADIOBUTTON13

RADIOBUTTON14

RADIOBUTTON15

RADIOBUTTON16

 

LABEL

RADIOBUTTON17

RADIOBUTTON18

RADIOBUTTON19

RADIOBUTTON20

 

LABEL

RADIOBUTTON1

RADIOBUTTON1

RADIOBUTTON1

RADIOBUTTON1

 

      label(maximum marks)                                                                         label(your marks)       

label (for displaying the maximum mark 5)                  textbox(to display marks scored by the student who attended quiz)

 

 

Button(submit)

Button(list of programs)

I completed my codings upto displaying all the five questions.

After that,(I need codings for the below process).........

 

when the student answered for all the five  quiz questions then they should click the submit button.After clicking the submit button their marks should be calculated and displayed in the textbox below your marks.