example.py

''' In URLS.py '''
from demoapp.views import get_employee 
urlpatterns = patterns('',           
                       ('^get_employee/$',get_employee),

''' in views .py ''' 
from demoapp.models import employee

def get_employee(request):
  employee_id = request.GET['EMPID']
  emp = Employee.objects.get(employeeid = employee_id)
  empDetail = str(emp.employeeid)+","+emp.name+","+str(emp.dob)+","+str(emp.salary)
  return HttpResponse(empDetail)