Write variable from JavaScript to ASP page

srotondo · November 1st, 2010, 10:12 AM

Good morning.

I'm building an expense report in ASP. People will enter their expenses on a form (they can enter up to 20 expenses) and at the bottom of the form a running total (in US dollars) will appear. When the user exits the field (onblur), javascript is called which adds up the numbers and stores the total in a variable.

I need to display this JavaScript variable on my form but I can't figure out how to do this: I can't figure out how to display the JavaScript variable inside my asp code.

I WAS able to use an input text field and use that for the running USD total. I would simply set the value of the input text field to the javaScript totals field and all was well however, I don't like the way the input field looks: users may think they can type inside it.

Please help: I just want to display the total as text only!

Thank you!

Sal

Old Pedant · November 1st, 2010, 03:25 PM

Code:

Total is $<span id="total" style="...your choices...">0.00</span>

and then 

document.getElementById("total").innerHTML = total.toFixed(2);

Another choice: Go ahead and use an <input> field. But do this to it:

Code:

<input name="total" readonly style="border: none; background-color: #eeeeee;" />

That is, style the input so it no longer looks like an input field. And make it readonly, so the user *can't* type in it.

If this doesn't help, show your JS code.

srotondo · November 2nd, 2010, 01:40 PM

Thank you!

getElementById is working well.

sal