He does know the answer, but it's your job that depends on it, so you had better learn how. you should have known at least something about it before you started that job. And you're begging here for finished code is completely, and utterly, rude.

Use Google, there are more than enough examples out there.

Once you have something, give it a try, and if it still doesn't work, come back, post what you have, and we'll (including jwenting, because he is very good and professional, but doesn't mince words) be more than happy to help you correct it, but we are not going to do your work for you, that's your job.