http://wiki.apache.org/myfaces/ExecutingMethodsFromLinkButtonParameters?highlight=%28updateActionListener%29
>-----Original Message----- >From: Dennis Byrne [mailto:[EMAIL PROTECTED] >Sent: Wednesday, January 4, 2006 12:24 AM >To: 'MyFaces Discussion' >Subject: Re: referencing a managed bean property problem > >There is a wiki article on this. My favorite is #2. > >>-----Original Message----- >>From: Tom Butler [mailto:[EMAIL PROTECTED] >>Sent: Wednesday, January 4, 2006 12:13 AM >>To: ''MyFaces Discussion'' >>Subject: RE: referencing a managed bean property problem >> >>Simon, >> >>I have a follow up question to this: I have a .jsf page that displays a >>datatable (listdatamodel) showing rows of names. At the end of each row I >>display a commandlink with the value 'select' that allows the user to select >>a name. After they select a name, I want to take them to a second page to >>show details for the selected value. >> >>Here is the commandlink from the first .jsf page: >> >><h:commandLink action="selectprovider" value="#{messages['sort_select']}" /> >> >>On the second .jsf page, I access the same bean as was used for the first >>.jsf page - I want to access the row index that the user selected from the >>first page. Here's what I've tried and values I receive >>(searchproviders_bean = bean from 1st page; dm_searchresults = >>listdatamodel) >> >><h:outputText value="#{searchproviders_bean.dm_searchresults.rowIndex}"/> >>Always returns -1 >> >><h:outputText value="#{searchproviders_bean.dm_searchresults.rowCount}"/> >>Returns correct # of total rows >> >><h:outputText >>value="#{searchproviders_bean.dm_searchresults.getRowIndex()}"/> >>Returns error - assume cannot call method >> >>What is the best way to pass the id of a selected row from a datatable to >>the second .jsf page? >> >>Thanks >>Tom >> >> >> >>-----Original Message----- >>From: Simon Kitching [mailto:[EMAIL PROTECTED] >>Sent: Tuesday, January 03, 2006 4:26 PM >>To: MyFaces Discussion >>Subject: Re: referencing a managed bean property problem >> >>Hi, >> >>I don't think that the syntax "#{savingsBean.recentBlogEntries[row]}" is >>allowed. EL doesn't support passing parameters to methods, just >>reading/writing *simple* properties. >> >>I presume your #{savingsBean.savingsList} method returns a List. >>You could add a method to your savingsBean that returns a ListDataModel >>instance rather than a List, and specify that in the h:dataTable's >>"value" attribute. You can then write a getRecentBlogEntries method >>which accesses that ListDataModel object to get the current rowData or >>rowIndex properties. These refer to the row currently being rendered at >>the time the getRecentBlogEntries method is invoked. >> >> >>Regards, >> >>Simon >> >>Alexandre Poitras wrote: >>> I can see one quick mistake: >>> #{savingsBean.recentBlogEntries[#{row}]} should be >>> #{savingsBean.recentBlogEntries[row]} >>> >>> On 1/3/06, Marco Mistroni <[EMAIL PROTECTED]> wrote: >>>> hello all, >>>> this code results in an error >>>> >>>> <f:view> >>>> <h:form id="savingsForm"> >>>> <h:dataTable value="#{savingsBean.savingsList}" var="row" >>border="1"> >>>> <h:column> >>>> <h:outputText value="#{row}"/> >>>> </h:column> >>>> <h:column> >>>> <h:inputText value="#{savingsBean.recentBlogEntries[#{row}]}"/> >>>> </h:column> >>>> </h:dataTable> >>>> <h:panelGroup> >>>> <h:commandButton id="submitInsert" action="#{savingsBean.insert}" >>>> value="Insert"/> >>>> </h:panelGroup> >>>> </h:form> >>>> </f:view> >>>> >>>> >>>> at this point >>>> >>>> <h:inputText value="#{savingsBean.recentBlogEntries[#{row}]}"/ >>>> >>>> recentBlogEntries is a Map. i tried, for hte sake of trying, to put in a >>>> List (savingsList, the one used for DataTable)all keys >>>> of the Map, and tried to generate inputText for the Map by passing the >>value >>>> of #{row} (which woul dbe the key of the map) >>>> >>>> it didnt work out..... is that impossible or is my syntax wrong somehow? >>>> >>>> thanks and regards >>>> marco >>> >>> >>> -- >>> Alexandre Poitras >>> Québec, Canada >>> >>> >> >> > > >
