Dvd. my have shot the party video thro sony handy cam, in a dvd.but when i put the dvd in computer

Question

my have shot the party video thro sony handy cam, in a dvd.but when i put the dvd in computer driver.it displays nothing.i am desperate to watch that dvd since its my engagement party's.please helphow can view the dvd.it plays when connected to ahandycam and not when put in a computer....