Iphone Development - How to display a numeric keyboard?

Question

I\'m working on a mobile website which is NOT a native iPhone app but rather a simple m.somedomain.com website which is developed in c# asp.net .

Objective : On clic

Answer 1

EDIT: I found here that you can use

to tell mobile safari to set the numeric keyboard as default, without needing to specify the telephone keyboard.

EDIT 2 (from comments below): You can also use javascript to force numeric input as so: