maria1519, unfortunately there is no way around the passcode. You will have to restore the iPad. Here comes even worse news, if you have not backed up your iPad in iTunes since you put the passcode on, you can restore from backup. But, if the password is in your backup, then you'll have to restore your iPad from new. Hope this helps, at least to clarify.
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'''UPDATE'''
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Maria, just did a bit more research to properly answer you. Yes, the above is correct for the restriction password. "You can not use Restore from Backup to reset the passcode. That just loads it back in. You have to do a straight restore, and manually put your stuff back on the iPad.
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iTunes will recognize and let you re-download your music, apps, iBooks, and most TV shows. Movies and music videos will have to be paid for again. You can see your purchased items by choosing the Purchased tab in the appropriate store app on the iPad, or selecting Purchased from the right column in iTunes on the computer.
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You should be able to right click on the iPad and choose Transfer Purchases before doing the restore. This should copy all iStore content t the iPad, including Movies and Music Videos. You can re-sync them after the restore. Syncing will not restore the password, so it is safe to do. However, only sync your device after you've made sure that you have your content either in iTunes on the computer, or somewhere else.
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Don't forget things like pictures that are not already on the computer, documents in other apps, and PDFs in iBooks. Most of the time these things can be mailed to yourself." [http://www.ipadforums.net/ipad-help/53807-passcode-problem-ipad2.html|from here].
maria1519, unfortunately there is no way around the passcode. You will have to restore the iPad. Here comes even worse news, if you have not backed up your iPad in iTunes since you put the passcode on, you can restore from backup. But, if the password is in your backup, then you'll have to restore your iPad from new. Hope this helps, at least to clarify.