How to implement the OnlineExam using asp.net and sqlserver

Hi Every one,

 I am Developed Online Exam  for School Management  how to Implement I dont Know give me Suggestions. actually My Examination Format in the Below show.

  1) what is asp.net()

  a)option1 b)option2 c)option 3 d) option4

          NextQuestion

 after student  submit Complete Exam Display the Correct answers ..

 This my Module  how do Develop I dont know give Suggestions and if u have any source code share me...

Thanks&Regards,

subbareddy..