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POEditing both sides of M2M in Admin Page
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copied!<p>First I'll lay out what I'm trying to achieve in case there's a different way to go about it!</p> <p>I want to be able to edit both sides of an M2M relationship (preferably on the admin page although if needs be it could be on a normal page) using any of the multi select interfaces.</p> <p>The problem obviously comes with the reverse side, as the main side (where the relationship is defined) works just fine automagically.</p> <p>I have tried some of the advice here to get an inline to appear and that works but its not a very nice interface.</p> <p>The advice I got on the django mailing list was to use a custom ModelForm. I've got as far as getting a multiselect box to appear but it doesnt seem to be "connected" to anything as it does not start with anything selected and does not save any changes that are made.</p> <p>Here's the appropriate snippets of code:</p> <pre><code>#models.py class Tag(models.Model): name = models.CharField(max_length=200) class Project(models.Model): name = models.CharField(max_length=200) description = models.TextField() tags = models.ManyToManyField(Tag, related_name='projects') #admin.py class TagForm(ModelForm): fields = ('name', 'projects') projects = ModelMultipleChoiceField(Project.objects.all(), widget=SelectMultiple()) class Meta: model = Tag class TagAdmin(admin.ModelAdmin): fields = ('name', 'projects') form = TagForm </code></pre> <p>Any help would be much appreciated, either getting the code above to work or by providing a better way to do it!</p> <p>DavidM</p>

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