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4 ways to pass parameter from JSF page to backing bean

August 29, 2012November 13, 2010 by mkyong

As i know,there are 4 ways to pass a parameter value from JSF page to backing bean : Method expression (JSF 2.0) f:param f:attribute f:setPropertyActionListener Let see example one by one : 1. Method expression Since JSF 2.0, you are allow to pass parameter value in the method expression like this #{bean.method(param)}. JSF page… <h:commandButton …

How to pass new hidden value to backing bean in JSF

August 29, 2012September 28, 2010 by mkyong

In some cases, you may need to pass a new hidden value to a backing bean. Generally, there are two ways : 1. HTML Tag + getRequestParameterMap() Render hidden field with plain HTML input, hard-coded new hidden value and access in backing bean via getRequestParameterMap() method. JSF… <h:form id="myForm"> <input type="hidden" name="hidden1" value="this is hidden2" …