How to display an attribute of a foreign key in the Django admin page

Question

I want to display the level field of the category to which the product is related on the object\'s admin page.

    class Category(m         


        

Answer 1

Define a method on the ModelAdmin class which returns the value of the related field, and include that in list_display.

class ProductAdmin(admin.ModelAdmin):
    list_display = ('name', 'level')
    model = Product

    def level(self, obj):
        return obj.category.level