Help needed in setting report programatically..

Question

Hi all...I am a novice in reports so if my question is stupid please let me know..I am working on an OMR application.I want to print an OMR sheet.I want the users to customize the sheet by selecting no of Questions and no of options.I am thinking about using a report to print the sheet.So my question is how could i make a report programatically by supplying the no of columns and rows...Is there any other alternative..Please help me folks as i am stuck..!