That sounds frustrating. I'm here to help. I recommend we run through the iPad troubleshooting assistant;
If the iPad is still unresponsive, you may need to restore it. However, if you are unable to connect it to iTunes successfully, we'll need to do a recovery mode restore:
Please Note: Restoring your iPad in recovery mode will erase all of the contents. If you have a backup from before the issues began, you may be able to restore from it afterwards.