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| + | #REDIRECT [[ZK Developer's Reference/MVC/View/Renderer/Listbox Renderer]] |
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− | Here we describe how to implement a custom renderer for a listbox (<javadoc type="interface">org.zkoss.zul.ListitemRenderer</javadoc>). For the concepts about component, model and renderer, please refer to [[ZK_Developer's_Reference/MVC/Model/List_Model#Model-driven_Display|the Model-driven Display section]].
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− | When a listbox (<javadoc>org.zkoss.zul.Listbox</javadoc>) is assigned with a model, a default renderer is assigned too. The default renderer will assume that the listbox is a single column, and it converted the element into a string. If you want to display multiple columns or retrieve a particular field of the element, you have to implement <javadoc type="interface">org.zkoss.zul.ListitemRenderer</javadoc> to handle the rendering.
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