How I can design the quiz question papaer

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I need this code in c#
I need the designing of quiz test .
in which i can retrive the questions from DataBase where total 500 questions are present, but i want to retrive 60 question out of 500 randomly each time & also new questions display each time

What I have tried:

My Questions table contains the following columns:
qid mean question id
sid mean subject id
question
ans1 means option1
ans2 means option2
ans3 means option3
ans4 means option4
cans means correct ans

Posted 21-Mar-16 8:25am

Member 12343809

Updated 21-Mar-16 9:22am

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ZurdoDev 21-Mar-16 15:07pm

What is your question?

RickZeeland 21-Mar-16 15:23pm

Does it have to be a database ? as you only have 500 questions you could easily do without a database and use an .xml file (editable in Excel for example).

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OriginalGriff · Answer 1 · 2016-03-21T09:22:00

That's complex, because there are two conflicting constraints here: randomness and lack of repetition.
You can do randomness from a DB:

SQL

SELECT TOP 60 * FROM MyTable
ORDER BY NEWID()

It's the lack of repetition that's a problem.
The way I'd do it is to keep a usage count with each row, and UPDATE it from your C# each time you display a question. Then use the SELECT to ORDER by the usage count and then NEWID:

C#

SELECT TOP 60 * FROM MyTable
ORDER BY UseCount, NEWID()

That way, the oldest question are returned, in a random order.