id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
33528	Add an option in ModelAdmin to validate data without saving anything.	Maxim Danilov	nobody	"in django.contrib.admin.options ModelAdmin Change_view/Add_view exists ""_saveasnew"" in request.POST
But don't exists work with ""_save""

i can imagine it in _changeform_view, row 1598:

{{{
if all_valid(formsets) and form_validated:
    if ""_saveasnew"" in request.POST or ""_save"" in request.POST or ... _addanother or _continue.... :
}}}

What i can achieve with that: 
if '_save' is omitted, i can see in response without call save model and save fieldsets that all my forms and formsets are valid.

Right now it is not possible: or not valid, or save all and call self.response_{add or change}."	New feature	closed	contrib.admin	4.0	Normal	wontfix	modeladmin, save		Unreviewed	0	0	0	0	0	0