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POHow do I save data from a ModelForm to database in django?
 

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  1. POHow do I save data from a ModelForm to database in django?
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    <p>I have a model:</p> <pre><code>class Cost(models.Model): project = models.ForeignKey(Project) cost = models.FloatField() date = models.DateField() </code></pre> <p>For the model I created a <code>ModelForm</code> class:</p> <pre><code>class CostForm(ModelForm): class Meta: model = Cost fields = ['date', 'cost'] </code></pre> <p>with <code>view.py</code>:</p> <pre><code>def cost(request, offset): if request.method == 'POST': # NOTE: How to save the data in DB? return HttpResponseRedirect('/') else: form = CostForm() </code></pre> <p>and next template:</p> <pre><code>&lt;form action="/cost/{{ project }}/" method="post" accept-charset="utf-8"&gt; &lt;label for="date"&gt;Date:&lt;/label&gt;&lt;input type="text" name="date" value={{ current_date }} id="date" /&gt; &lt;label for="cost"&gt;Cost:&lt;/label&gt;&lt;input type="text" name="cost" value="0" id="cost" /&gt; &lt;p&gt;&lt;input type="submit" value="Add"&gt;&lt;/p&gt; &lt;/form&gt; </code></pre> <h2>Question</h2> <p><em>How I can save the data from the form to the database?</em></p> <h3>Some additional information:</h3> <p><code>model.py</code> contains</p> <pre><code>class Project(models.Model): title = models.CharField(max_length=150) url = models.URLField() manager = models.ForeignKey(User) timestamp = models.DateTimeField() </code></pre> <h3>My attempt</h3> <p>I tried to implement the solution in a next way (note: offset = project name):</p> <pre><code>def cost(request, offset): if request.method == 'POST': form = CostForm(request.POST) if form.is_valid(): instance = form.save(commit=False) instance.project = Project.objects.filter(title=offset) instance.date = request.date instance.cost = request.cost instance.save() return HttpResponseRedirect('/') else: form = CostForm() </code></pre> <p>But it does not work :(</p>
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    1. COThis is related: http://stackoverflow.com/questions/732952/get-primary-key-after-saving-a-modelform-in-django. The example is spot on.
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    2. COAlso, read this: http://stackoverflow.com/questions/1489041/save-method-in-a-view
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      1. POHow do I save data from a ModelForm to database in django?
      1. USS.Lott
 

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