I don't know wheather thats good or not. It depends how she reacts to things like that usually.
I wouldn't text ask her out though. The best thing you can do is get her away from her mates and sit in a quiet spot, maybe by saying "I have something to say. Can we go somewhere more private?"
Hey guys/Gals I must say that I am horribly and terribly sorry for starting like 12 thousand threads about her, I know I talk about her a lot and im sorry that I always talk about her im sorry I shall contain what I have to say about her to this thread only unless it gets closed then I shalls top