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[2.0.x] Fixed #28205 -- Doc'd that ModelAdmin.prepopulated_fields only works on add forms. 

Backport of 56b364bacc from master
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Botond Beres 2017-10-27 16:23:40 +01:00 committed by Tim Graham
parent 41009788a0
commit 5630f4e6ac
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docs/ref/contrib/admin/index.txt
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@ -1048,6 +1048,10 @@ subclass::
of the source fields, and then by transforming that result into a valid of the source fields, and then by transforming that result into a valid
slug (e.g. substituting dashes for spaces). slug (e.g. substituting dashes for spaces).
Fields are prepopulated on add forms but not on change forms. It's usually
undesired that slugs change after an object is created (which would cause
an object's URL to change if the slug is used in it).
``prepopulated_fields`` doesn't accept ``DateTimeField``, ``ForeignKey``, ``prepopulated_fields`` doesn't accept ``DateTimeField``, ``ForeignKey``,
``OneToOneField``, and ``ManyToManyField`` fields. ``OneToOneField``, and ``ManyToManyField`` fields.