the component remembers its submitted value and tries to rerender
itself using that. this value is cleared when the form is processed,
but remember you havent processed the form - you only processed the
first dropdownchoice.
-igor
On Feb 5, 2008 2:35 AM, <[EMAIL PROTECTED]> wrote:
> This worked great but why is a separate call needed?
> the Rerendering should find out the model value is null
> and do the same as it did for the first rendering.
> Is it due to the Javascript effect?
> The second request would set the value to the first rendering
> but after that, the my call back resets it to null and the rendering
> kicks in in that order which would pick the null value as the secondchoice?
>
>
>
>
>
>
> >but it is not just like it was after it has been created is it? it is
> >currently holding a value from the request. anywho:
> >
> >secondchoiceSelected=null;
> >secondchoicedropdownchoice.clearInput();
> >
> >and you will have what you want.
> >
> >-igor
> >
> >
> >On Feb 4, 2008 7:36 PM, <[EMAIL PROTECTED]> wrote:
> >> The following is the code sample
> >>
> >> class webpage
> >> String secondchoiceSelected;
> >>
> >>
> >> }
> >> new Firstdropdownchoice( ){
> >> onSelectionChange{
> >> secondchoiceSelected = null;
> >> }
> >>
> >>
> >> I did set to null. This issue is that the displayed value is
> >> the first item of the new list, instead of "Choose One", it is not
> >> displaying the old secondVarSelected since I already set it to null.
> >> Basically, when the dropdownchoice is redisplayed and is model is
> >> null, it is supposed to display the same as the first created. It does
> >> not appear this way.
> >>
> >>
> >>
> >>
> >>
> >> >whe the first is submitted you have to set the second one's model object
> >to
> >> >null
> >> >
> >> >-igor
> >> >
> >> >
> >> >On Feb 4, 2008 4:59 PM, <[EMAIL PROTECTED]> wrote:
> >> >> Hello:
> >> >> I am using two dropdownchoices, after the first select, the second would
> >get
> >> >data on the fly using the first choice. The first round everything is
> >fine
> >> >with both displaying "Choose One" and selecting the first one set the
> >correct
> >> >second one list of choice with "Choose One" still displaying on the second
> >so
> >> >that one could click on it to pick the right one. After the first round, I
> >> >select a different value in the first one, which resets correctly the
> >second
> >> >one' list as in the first round but strangely this time, the 'Choose One"
> >> >display is gone in the second dropdownchoice. Instead it shows the first
> >item
> >> >of the new list. I used the wicket-examples sample code as basis and use
> >> >getObject() to load the correct list when selection on the first changed.
> >> >> Thanks
> >> >
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