If you bought AppleCare for your iPad, then it has coverage for 2 incidents of accidental damage - $49 to repair. If you did not purchase AppleCare, you can take it into the nearest Apple Store to find out what the repair cost would be, or call Apple Support.
Here's a link to the AppleCare site:
Here's a link to the Apple Support site:
Sorry about your accident! Hope it gets resolved....