RE: django mathfiters

Check the value of b.value.  Make sure it isn't None.

 

From: django-users@googlegroups.com [mailto:django-users@googlegroups.com] On Behalf Of sum abiut
Sent: Wednesday, February 21, 2018 4:06 PM
To: django-users@googlegroups.com
Subject: django mathfiters

 

 

Hi,

How to you a zero in mathfilter

for example, if the value of c is zero the total is not display. instead of displaying 42 it display nothing.

 

{%for b in pay%}

{% with a=42 c=b.value%}

    <li> {{ a|add:c }}</li>

    {% endwith %}

 

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