I want expenditures to be a ForeignKey, but I want to create it based
on values entered (num_units * unit_cost, account).
My question: How can I create a foreign key based on the values entered
for other fields?
_pre_save() is a function that if you define for your model, will be called just before the model is saved in the database. You can put your logic there.
--
Amit Upadhyay
Blog: http://www.rootshell.be/~upadhyay
+91-9867-359-701
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