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problem in navigating from one question to another in online test system in asp.net.

Posted By: Shweta     Posted Date: January 07, 2011    Points:2   Category :ASP.Net
i am creating a online test system displaying one question per page with the four radiobuttons for options.there is the next button to navigate to the next question.
i have used random function for selecting the questions.
the database have five questions with the correct answers.but the problem is that while giving the test out of five one question repeats for two times and the any other question out of those five in the database repeats for three times.
means ultimately i get five questions in the test but out of which two questions get repeated for three and two times each.

Author: Manas Patnaik             
Posted Date: January 07, 2011     Points: 5   

Can you please share your logic of choosing random questions from Database ?

Manas Patnaik
Author: Sadhuryan             
Posted Date: January 07, 2011     Points: 5   

Hi Shweta,

Its clearly showing the problem, is with your Randomizing function.

Logic should be,

1) Create a temporary question list.
2) Call your randomizing function to pick a question for display.
3) After display, Selected question must be removed from the lot.
4) On clicking 'Next' button, Now again call the function to pick a question from the lot.
Here, the questions will never get repeated.

Is it clear..? good luck.

Revert back to me, in case of queries.

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