i want to know how to make online exam application using VB.NET & SQL SERVER
questions should be displayed randomnly ,
also there is a time restriction for example ,30 min for 25 question and time should be visible to user.
then after time over he will be not able to do anything and redirected to result page.
At last it will calculate the total no of marks scored and show in graph and report wise.
Please suggest me the code