>
> * <input id="a" name="a" type="text" value="" size="3" {{requires
> = IS_NOT_EMPTY(error_message='cannot be empty!')}} />*
My first recommendation is to stop trying completely random syntax that you
haven't seen anywhere in the documentation or examples. Based on the
documentation, there's no reason to believe anything like the above should
work.
> * {{=INPUT(_name="b", requires=IS_INT_IN_RANGE(0, 10) ) }}*
>
You can pass a "requires" attribute to an INPUT() helper, as above, but the
validation won't actually happen unless the INPUT is part of a FORM object,
and the FORM object has to be processed (typically in the controller
function). So, define the form and its INPUT's in the controller and
process it there if you want to use validators.
Especially since you're new to web2py, I recommend sticking to the design
patterns you see in the documentation and other examples. Once you become
more expert, then you can venture into more complicated patterns.
Anthony
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