showing of reports in grid view reg

Question

Hi,



     can any one give me some tips regarding showing

             1)monthly report:
                   It is in which the current month must be taken automatically from the today date  and show the result in grid view

            2)weekly report:
                   It is in which the current week by subracting 7 days from today date must be taken automatically and show the result in grid view



the problem is i am using gettype() for datetime function if the user click today den due to the time in it the results not yet displaying in grid view

 waiting for ur responces,

thanks in advance



regards,
gowtham