Re: Can't seem to get "votes" to work right

On Friday, 16 August 2013 16:40:24 UTC+1, bud wrote:

Hi,

I've finished the Django tutorial but I just can't seem to get my "votes" function to work right. I would start the server, go to polls, and every time I try to vote for something, the KeyError message comes up i.e. "You didn't select a choice." when I did. Maybe if there was some way to define these choices it might fix it, but I'm not sure.

 

<snip>
and detail.html

<h1>{{ poll.question }}</h1>

{% if error_message %}<p><strong>{{ error_message }}</strong></p>{% endif %}
<form action="{% url 'polls:vote' poll.id %}" method="post">
{% csrf_token %}
{% for choice in poll.choice_set.all %}
    <input type="radio" name="choice{{ forloop.counter }}" value="{{ choice.id }}" />
    <label for="choice{{ forloop.counter }}">{{ choice.choice_text }}</label><br />
{% endfor %}
<input type="submit" value="Vote" />
</form>

Any ideas?

The problem is in your template, where you define the choice field. You've added {{ forloop.counter }} to the name of the field, which means that there's no key "choice" in the POST data: there's only "choice1", "choice2" etc. Each button in the radio input needs to have the same name, although they obviously have different values.

--

DR.

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