How to display the activated checkbox in selectManyListbox when the page loads.

I need to display the box on page ready.

Following code shows a checkbox with the checkbox 'All' as well.

< af:selectManyListbox label = "category of FaQ.
Binding = "#{backingBeanScope.TestBackingBean.catSelectMany} '"
ID = "catSelMany" autoSubmit = 'true '.
required = "true".
valueChangeListener = "#{backingBeanScope.TestBackingBean.handleSelectedCategoryValue}" >
< f: selectItems value = "#{backingBeanScope.TestBackingBean.product1List}" id = "catSelItems" / > "
< / af:selectManyListbox >

On the value change listener, next server, I found that the values are in the table. As the selected values are: [0, 1] like that...

How can I put the value as well as on the page load, I can display a selected check box.

In the code, I see that you have linked the selectItems list to the value property of selectManyListbox which is incorrect. List of the selectItems must be bound to the value property of f: selectItems and the value property of SelectManyListbox should point to a variable of the list with the getters and setters. If you want to show something is selected by default, you must initialize the list linked to the value property with the values you wanted to show as selected.

Sample:


     


// Declare and Initialize product1List with the values 0 and 1 if you want to display product0 and product1 as selected by default
private List product1List = Arrays.asList(0,1);
//Add getter and setters for product1List

Jean Lou

Tags: Java

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