需要一些关于jquery中对话框的简单解释吗？

I just started to learn jquery and JavaScript so i can implement it with my current asp.net project. However i have a hard time to grasp the idea how to make a dialog that will show up when user attempt to push delete button and then if user chose button "Yes" it will go for the delete function in code behind of asp.net or if user chose "No" then it will be terminated and no action will be taken.I just started to learn jquery and JavaScript s