Recently, how to play DVD on iPad Mac is becoming a hot topic in many forums such as Macrumors or Yahoo Answers as below:

Q1: Put dvd movies to ipad on mac?
Want to watch DVD movies on iPad and iPod touch. Yet, a general DVD is in MPEG-2 or VOB format with CSS copy protection. How to transfer dvd movies to ipad??

Q2: How can you watch my DVDs on the IPad?
How can I download a DVD to my computer , covert it to a format acceptable for itunes and then play in on the ipad Mac.

Luckily, a friend of mine recommended me a DVD to iPad Converter for Mac which he tried very great. I download the free trial and found it's very easy to use, and can convert unencrypted DVD and encrypted DVD to iPad supporting H.264 and MPEG-4 and other popular video and audio formats like MOV, MPG, FLV, 3GP, DV, MP3, WAV for playback on other portable devices such as iPod, iPhone, PSP etc. Then I bought it without any hesitating. If you have the same problem with me, maybe you can try it. Learn the details about how to play DVD on iPad Mac! Hope to help you.