How to create a4j:commandLink with param in managed bean?

[xxmei]

How to create a4j:commandLink with params in managed bean?

As follows:

<a4j:commandLink action="#{allClinicBean.deleteSelectDrug}"

       reRender="dr_data"  value="delete">

      <a4j:param name="pid1" value="#{dgLst.drugno}" assignTo="#{allClinicBean.delDrugId}" />

</a4j:commandLink>

[mcmurdosound]

<a4j:commandLink action="#{allClinicBean.deleteSelectedDrug(dgLst.drugno)}" reRender="dr_data" value="delete"/>

and in you bean:

public String deleteSelectedDrug(Drug drug) {

// or whatever you drug is type of

...

}

[xxmei]

I mean how to dynamic create a4j:commandLink component in java ?