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Asked by rockiroads in Java Server Pages (JSP), Java Server Faces (JSF), Miscellaneous Web Development
Using JavaServer Faces, I am listing the contents of a list using a datatable and creating a button for each row. This button obviously shares the same handler but what I need to determine within the handler is what row was clicked.
The jsp has a add button so what Im doing is adding a new item into the list so when the page renders again it is showing blank text boxes therefore I cannot use some primary key as there would not be one when adding new boxes within the session.
There are multiple columns here so I need to check a number of columns.
I can get this to work easily enough using <h:commandLink and <f:param but the requirement is to use a button, not a link.
Ive spent a fair bit of time trying to sort this out but havent got anywhere. Ive tried using attributes etc but that fails with nulls as the attribute value I set was something within the list. I havent found much info out.
Sample partial code below shows how I can get it working using h:commandLink. I want to use something similar for h:commandButton
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<h:commandLink action="#{MyBackingBean.removeHandler}" type="submit" value="Remove" title="RemoveHandler">
<f:param name="f1" value="#{jsplist.field1}"/>
<f:param name="f2" value="#{jsplist.field2}"/>
<f:param name="f3" value="#{jsplist.field3}"/>
</h:commandLink>
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20091111-EE-VQP-89 - Hierarchy / EE_QW_3_20080625
