How to retain two decimal points in flex using Math.round()

Question

How to retain two decimal points in flex using Math.Round

code:

txtTotal.text=Math.round((Number(txtRate.text)*Number(txtQuantity.text))).toString();

here the rate is a constant 1.1 and quantity is variable ie rate*quantity=1.1 * quantity

Answer 1

而不是.toString() ，使用.toFixed(2) ;