How do i ask a girl to dance with me at a school dance?

Middle school dance. I'm not sure what to say.. and i think she'll probably say no.. I'm in 7th grade. i don't think she like me..

meh.How do i ask a girl to dance with me at a school dance?
Hey (insert name), are you going to the dance? Well.. since you're not going with anyone, I was wondering.. would you like to go with me? I think it'd be real cool.How do i ask a girl to dance with me at a school dance?
The first answer is exactly right. And what's with all the negativity? Go and be confident! It's attractive.