Maram <[EMAIL PROTECTED]> writes:
> He all:
>
> I have the fields:
>
> field1=TextField()
> field2=TextField()
> field3=TextField()
>
> I show that in the kid template in a form:
>
> <span py:content="display_field_for('field1')" />
> <span py:content="display_field_for('field2')" />
> <span py:content="display_field_for('field3')" />
>
> How I do so that when entering a value in field1 or field2, show the sum
> in the field3, without pressing the submit button...?
>
> I suppose that using javascript, ajax, but I don't know how to do it.
> (And I couldn't find the suitable tutorial...)
>
> Have anyone any pointers to solve the problem?
You'll have to take a look at MochiKit.Signal. Then you'll connect each input
field to a sum function that'll take values from both fields and write to the
output field.
I usually use Label instead of TextField for output to make it clear that it
is something that the user won't be able to change (and also because I don't
usually store results on the database...).
--
Jorge Godoy <[EMAIL PROTECTED]>
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