So, somewhere a null object is trying to be referenced. You will need to add debugging code to check which object is null.
If you need two way communication between your windows I would recommend creating an interface and implementing it in both windows. --- In flexcoders@yahoogroups.com, "isa_loyer" <isa_loyer@...> wrote: > > I am working on an AIR application with 2 windows: One to create a new > customer and another to display some information about the customer. On > window 1, there is also a textfield to search for a customer by Id or name. > > These are the steps to create a new customer: > > with an "add" button on window 1, I open window 2. > on window 2, the user completes a form to create a new customer. > the information is saved in a MySQL Database over an HttpService. > The result handler method calls a public function on window 1: > > result = "new wWin1().resultSaveCustomer(event)" > This part works well - the new customer Id is received. > > In some cases, according customer data, I change the component color - this > operation works well, if I load a customer after a using the search field, > but if I search directly from the resultSaveCustomer function (after > completion of step 3), a message appears: > > Cannot access a property or method of a null object reference. > > I don't understand why, because all the components in window 1, have an Id > name! Or the property is a label with Id Name. > > Thanks for helping me. >
