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on change combo box not working.

 
Greenhorn
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hi Iam trying to do onchange selectOneMenu is not working but if I put submit button it is working?(I am using valueChangeListener).
any body can help ...when I onchange my combo box, I want to change value in down side combo box ....actually when I select state combobox, only it has to disply cities in my down combobox.
 
Kondal reddy
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this is my JSP:


<h:selectOneMenu styleClass="selectOneMenu" id="menu1" value="#{deemListBean.tempState}" onchange="submit();" valueChangeListener="#{deemListBean.listenerStateName}" >

<f:selectItems value = "#{deemListBean.getState}" />
</h:selectOneMenu>

<h:selectOneMenu styleClass="selectOneMenu" id="menu2" value="#{deemListBean.tempCity}" >

<f:selectItems value = "#{deemListBean.getCity}" />
</h:selectOneMenu>

<hx:commandExButton type="submit" value="Submit"
styleClass="commandExButton" id="button1"></hx:commandExButton>


And my Backing Bean is:


public void listenerStateName(ValueChangeEvent vce){


System.out.println("inside listenerStateName");
String value = "";

value = (String)vce.getNewValue();

System.out.println("********* The new Value is = "+value);
FacesContext fc = FacesContext.getCurrentInstance();
fc.renderResponse();
deemListBO= this.serviceLocator.getConcreteDeemListService().getCity(value);
setCity(deemListBO.getCity());
System.out.println("********* The new Value is = "+city);



}

any body can help.
 
Kondal reddy
Greenhorn
Posts: 22
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this is my JSP:


<h:selectOneMenu styleClass="selectOneMenu" id="menu1" value="#{deemListBean.tempState}" onchange="submit();" valueChangeListener="#{deemListBean.listenerStateName}" >

<f:selectItems value = "#{deemListBean.getState}" />
</h:selectOneMenu>

<h:selectOneMenu styleClass="selectOneMenu" id="menu2" value="#{deemListBean.tempCity}" >

<f:selectItems value = "#{deemListBean.getCity}" />
</h:selectOneMenu>

<hx:commandExButton type="submit" value="Submit"
styleClass="commandExButton" id="button1"></hx:commandExButton>


And my Backing Bean is:


public void listenerStateName(ValueChangeEvent vce){


System.out.println("inside listenerStateName");
String value = "";

value = (String)vce.getNewValue();

System.out.println("********* The new Value is = "+value);
FacesContext fc = FacesContext.getCurrentInstance();
fc.renderResponse();
deemListBO= this.serviceLocator.getConcreteDeemListService().getCity(value);
setCity(deemListBO.getCity());
System.out.println("********* The new Value is = "+city);



}

any body can help.
 
Ranch Hand
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what is the scope of your managed bean?
 
Greenhorn
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Add



to the selectOneMenu tag and it should work. This will "short circuit" the lifecyle and be handled right away instead of being queued and processed later when submitted.
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