Update person_form.html

[mkasapoglu]

if user do not select country, updates cities without send request to server. Otherwise server raises internal error.

[delhipnr]

HI its actually awesome, need more help.

My form is like below: Continent Country State City

Can you please help me on that with form code?

class Continent(models.Model): name = models.CharField(max_length=30)

def __str__(self):
    return self.name

class Country(models.Model): name = models.CharField(max_length=30) continent = models.ForeignKey(Continent, on_delete=models.CASCADE)

def __str__(self):
    return self.name

class State(models.Model): name = models.CharField(max_length=40) country = models.ForeignKey(Country, on_delete=models.CASCADE)

def __init__(self):
    return self.name

class City(models.Model): country = models.ForeignKey(State, on_delete=models.CASCADE) name = models.CharField(max_length=30)

def __str__(self):
    return self.name

class Person(models.Model): name = models.CharField(max_length=100) birthdate = models.DateField(null=True, blank=True) country = models.ForeignKey(Country, on_delete=models.SET_NULL, null=True) state = models.ForeignKey(State, on_delete=models.SET_NULL, null=True) city = models.ForeignKey(City, on_delete=models.SET_NULL, null=True)

def __str__(self):
    return self.name