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    <p>You can use <code>InlineAdmin</code></p> <p>In your admin.py</p> <pre><code>class PhoneNumberInline(admin.TabularInline): model = PhoneNumber # related model extra = 1 # number of new record fields class DudeAdmin(admin.ModelAdmin): inlines = [PhoneNumberInline, ] admin.site.register(Dude, DudeAdmin) </code></pre> <p>This will display all related <code>PhoneNumber</code> records under the <code>Dude</code> record adn you can add new or update or delete existing records. That is all in a single page as you want. <a href="https://docs.djangoproject.com/en/1.3/ref/contrib/admin/#django.contrib.admin.InlineModelAdmin" rel="nofollow">Documentation is here</a> . In this approach, you do not need to add <code>PhoneNumber</code> directly to your admin.</p> <p><strong>Update:</strong> You can see related phone numbers or how many phone numbers are recorded to there. First you must define a method that will return phone numbers (or number of phones) to your <code>Model</code></p> <pre><code>class Dude(models.Model): name = models.CharField(blank=False, null=False, max_length=100, unique=True) def list_phones(self): phone_numbers = self.phonenumber_set.values_list('number', flat=True) # use reverse relation to get a list ofall recorded numbers phone_count = self.phonenumber_set.count() return "This user have %s numbers recorded: %s" % (phone_count, ', '.join(phone_numbers)) def __unicode__(self): return u"%s" % self.name </code></pre> <p>And in your <code>ModelAdmin</code></p> <pre><code>class DudeAdmin(admin.ModelAdmin): list_display = ('name', 'list_phones') </code></pre> <p>You can use methods defined under your <code>Model</code> just as model fields. </p>
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    1. COJust one more thing, is it possible to add inlines = [ PhoneNumberInline, ] somehow to list_display = ('name',) of Dude so that I can see all the phones per dude. Or at least how many are phones there, or first N phones ? Thanks
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    2. COAnswer updated...
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    3. COI have continuation of this question on http://stackoverflow.com/questions/20312209/how-to-add-button-in-django-admin-when-using-one-to-many-relationship-if-tha. Maybe you can help me again ? Thanks
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