You can also use dataTable.getRowData(), provided your model data is
consistent, and then you don't need to create or pass a parameter.
public void editRecord(ActionEvent event)
{
dataStore.editRecord(dataTable.getRowData());
}
On 8/26/05, Patel, Hitesh (Exchange) <[EMAIL PROTECTED]> wrote:
>
>
>
> You can pass the parameter as you have done and get the value of the
> parameter as follows
>
>
>
> FacesContext.getCurrentInstance().getExternalContext().getRequestParameterMap().get("empID");
>
>
>
> ________________________________
>
>
> From: Rick Reumann [mailto:[EMAIL PROTECTED]
> Sent: Friday, August 26, 2005 2:49 PM
> To: MyFaces Discussion
> Subject: Dealing with links/buttons to fire off an action? confusion on how
> to set this up
>
>
>
>
> I was wondering how to d something that I would think would be a common
> situation, yet I'm not finding any examples at the moment...
>
> scenario:... list of employees. You want to be able to click on one of the
> employees and go to an "editEmployee" backing bean method that would
> retrieve the employee based on the id of the employee in the list.
>
> I'm used to doing this with a simple link John Doe <a href="/myApp
> /setUpForEdit?employeeID=4355">Edit</a>
>
> With JSF I'm not so sure about how to do this. My JSF book mentions briefly
> about passing in f:param in commandLink but doesn't show how to retrieve
> this param.
>
> As a side note I find this very interesting, I was testing by using a
> DataTable and providing a commandLink next to each employee for each row...
>
> <h:commandLink value="Edit" action="#{employee.editAction}">
> <f:param name="empID" value="#{emp.id}"/>
> </h:commandLink>
>
> One of the odd/interesting things is that when I cycle through and print
> out the Request parameters I noticed that I'm getting a single parameter
> (assuming a map) that actually has the Employee info that I'm concerned with
> (2nd one):
>
> 8/26/05 02:28:55 PM DEBUG net.reumann.Employee editAction - param =
> [EMAIL PROTECTED]
> 08/26/05 02:28:55 PM DEBUG net.reumann.Employee editAction - param = id:
> 3, name: Rachel, age: 26
> 08/26/05 02:28:55 PM DEBUG net.reumann.Employee editAction - param =
> /employees.jsp
>
> That second enry *does* correspond to the button I clicked but not sure how
> I'm supposed to get a handle to the id (actually I'm not even sure how the
> heck that got into the request based on the commandLink I set up)?
>
> Also the f:param "empID" is *not* seen as a request parameter when I loop
> over them.
>
> What is the typical procedure for providing a link or button to click on
> that isn't part of a form but should fire off an action method that will
> look up something based on parameter(s) ?
>
>
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