Babak bsn wrote in post #1017477: > Thank you Michael , > > I did it but everythings remains as before > when i changed Form_for into > <%= form_for @vorlesung do |v| %> > an error like this occured: > NoMethodError in Vorlesungs#new > when Form_for remains as: > <%= form_for :vorlesung do |v| %> > after clicking my submit button only the content of textboxes deleted > and no other effect
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