You could have a PreAddProjectAction which performs the population and then forwards to the view. Then the view looks up the "listcomp" in the request and renders it. The user interact with the view and submits the form to be processed by AddProjectAction which captures the user input and updates the datastore.
Client request ===> PreAddProjectAction ===> View ====> submit ====> AddProjectAction ===> next view robert > -----Original Message----- > From: Damien VIEL [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, May 15, 2002 9:45 AM > To: Struts Users Mailing List > Subject: Re: Help : Dropdown List > > > Yep... > I think my problem comes from this point. > I've tried to put this code in my AddProjectAction.java in the perform > methode : > try { > CompanyJob companyJob = new CompanyJob(); > ArrayList listcomp = companyJob.getAll(); > request.setAttribute("listcomp", listcomp); > System.out.println("Size of list " + listcomp.size()); > > } catch (SQLException sqle) { > System.err.println("ProjectAction Error >> " + sqle); > } > > but I think it's the wrong place because I want to populate my > dropdown list > before performing the Action... > I do not know where and when populate it ?? > > Dams > > > ----- Original Message ----- > From: "Yaman Kumar" <[EMAIL PROTECTED]> > To: "Struts Users Mailing List" <[EMAIL PROTECTED]> > Sent: Tuesday, May 15, 2001 3:36 PM > Subject: RE: Help : Dropdown List > > > > Hi, > > There is little advice If I understood ur problem. > > > > Do u have your "list" object in request scope with the key "complist". > > and if u would like to populate the complist in list box then > > change the statment to below one.If u r looking for option values and > option > > names are same. > > > > <html:options name="complist" labelName="complist"/> > > > > I hope this helps you > > > > Bye > > rayaku > > > > -----Original Message----- > > From: Damien VIEL [mailto:[EMAIL PROTECTED]] > > Sent: Wednesday, 15 May 2002 6:52 PM > > To: Struts Users Mailing List > > Subject: Re: Help : Dropdown List > > > > > > Hi... > > > > I do not manage to do what I want :) > > I explain my problem. > > > > I've got 3 classes and 1 jsp: > > - AddProjectForm.java > > - AddProjectAction.java > > - CompanyJob.java > > - project.jsp > > > > In my CompanyJob.java I've got this following methode : > > > > public ArrayList getAll() throws SQLException { > > ArrayList list = null; > > Connection c = null; > > c = pool.getConnection(); > > Statement stm = c.createStatement(); > > MyRequest sqlrequest = new MyRequest(); > > ResultSet rs = stm.executeQuery(sqlrequest.sqlGetAllCompany()); > > while (rs.next()) { > > list.add(new String (rs.getString("comp_name"))); > > } > > return list; > > } > > > > I want to populate the dropdown List in my JSP with the ArrayList and in > > don't > > manage to do it.... Following the JSP : > > > > <%@ taglib uri="/WEB-INF/tld/struts-html.tld" prefix="html" %> > > <%@ taglib uri="/WEB-INF/tld/struts-bean.tld" prefix="bean" %> > > <jsp:useBean id="complist" class="java.util.ArrayList" > scope="request" /> > > > > <html:form action="/project" > > > > > <TABLE border="0" width="50%" cellpadding="5" cellspacing="0" > align="CENTER" > > class="table"> > > <TR> > > <TD colspan="2"><html:errors/></TD> > > > > </TR><TR> > > <TD><bean:message key="prompt.addproject.company"/></TD> > > <TD><html:select property="company" size="1"> > > <html:options name="complist" /> > > </html:select> > > </TD> > > </TR><TR> > > <TD><bean:message key="prompt.addproject.name"/></TD> > > <TD><html:text property="name" size="30" maxlength="50"/></TD> > > </TR><TR> > > <TD colspan="2" align="CENTER"><br><html:submit property="submit" > > value="Submit"/></TD> > > </TR> > > </TABLE> > > > > </html:form> > > > > > > Help... Where is the problem.... > > > > Thanks All > > Dams > > > > > > ----- Original Message ----- > > From: "James Mitchell" <[EMAIL PROTECTED]> > > To: "Struts Users Mailing List" <[EMAIL PROTECTED]> > > Sent: Tuesday, May 14, 2002 7:46 PM > > Subject: RE: Help : Dropdown List > > > > > > > sorry I did not clarify. > > > > > > I was not advocating to do this in the jsp. > > > This should be done within the action. > > > > > > I guess I take this for granted.....hmmm. > > > > > > JM > > > > > > > -----Original Message----- > > > > From: Damien VIEL [mailto:[EMAIL PROTECTED]] > > > > Sent: Tuesday, May 14, 2002 1:39 PM > > > > To: Struts Users Mailing List > > > > Subject: Re: Help : Dropdown List > > > > > > > > > > > > Ok, > > > > no problem with this example. > > > > But I've read that it's not a good choice to create the ArrayList > > > > in the JSP > > > > but create it > > > > in another class and put this Arraylist in the request object. So > > > > you set a > > > > bean in the JSP. > > > > > > > > <%jsp:UseBean......./%> > > > > <td align="left"> > > > > <html:select property="type"> > > > > <html:options collection="serverTypes" property="value" > > > > labelProperty="label"/> > > > > </html:select> > > > > </td> > > > > > > > > My problem is that I do not know where and when I must add the > > > > ArrayList to > > > > the request object ? > > > > > > > > Dams > > > > > > > > > > > > ----- Original Message ----- > > > > From: "James Mitchell" <[EMAIL PROTECTED]> > > > > To: "Struts Users Mailing List" <[EMAIL PROTECTED]> > > > > Sent: Tuesday, May 14, 2002 7:20 PM > > > > Subject: RE: Help : Dropdown List > > > > > > > > > > > > > Well, if you look at the subscription.jsp. > > > > > > > > > > > > > > > The example loads these in the jsp, but this could easily have > > > > been a call > > > > > to your data manager/service or could even been pre-cached as an > > > > application > > > > > scope list. > > > > > > > > > > > > > > > > > > > > <%-- In real life, these would be loaded from a database --%> > > > > > <% > > > > > java.util.ArrayList list = new java.util.ArrayList(); > > > > > list.add(new org.apache.struts.util.LabelValueBean("IMAP > Protocol", > > > > > "imap")); > > > > > list.add(new org.apache.struts.util.LabelValueBean("POP3 > Protocol", > > > > > "pop3")); > > > > > pageContext.setAttribute("serverTypes", list); > > > > > %> > > > > > > > > > > > > > > > > > > > > <td align="left"> > > > > > <html:select property="type"> > > > > > <html:options collection="serverTypes" property="value" > > > > > labelProperty="label"/> > > > > > </html:select> > > > > > </td> > > > > > > > > > > > > > > > JM > > > > > > > > > > > -----Original Message----- > > > > > > From: Damien VIEL [mailto:[EMAIL PROTECTED]] > > > > > > Sent: Tuesday, May 14, 2002 1:11 PM > > > > > > To: Struts Users Mailing List > > > > > > Subject: Re: Help : Dropdown List > > > > > > > > > > > > > > > > > > Sorry no, > > > > > > but I'm going to :) > > > > > > Dams > > > > > > ----- Original Message ----- > > > > > > From: "James Mitchell" <[EMAIL PROTECTED]> > > > > > > To: "Struts Users Mailing List" <[EMAIL PROTECTED]> > > > > > > Sent: Tuesday, May 14, 2002 6:59 PM > > > > > > Subject: RE: Help : Dropdown List > > > > > > > > > > > > > > > > > > > Did you get the struts-example running??? > > > > > > > > > > > > > > > > > > > > > JM > > > > > > > > > > > > > > > -----Original Message----- > > > > > > > > From: Damien VIEL [mailto:[EMAIL PROTECTED]] > > > > > > > > Sent: Tuesday, May 14, 2002 12:54 PM > > > > > > > > To: Struts Users Mailing List > > > > > > > > Subject: Help : Dropdown List > > > > > > > > > > > > > > > > > > > > > > > > Hi :) > > > > > > > > > > > > > > > > Could anyone pls tell me how to populate a dropdown > list using > > > > struts > > > > > > > > tag libraries. I've heard that I need to put a Collection > > > > (Arraylist) > > > > > > in > > > > > > > > the request. > > > > > > > > This Collection is build from a Database. > > > > > > > > For Example I have 3 files : > > > > > > > > - UserForm.java > > > > > > > > - UserAction.java > > > > > > > > - SelectUser.jsp > > > > > > > > > > > > > > > > I want to select a user from the dropdown list that > appears in > > my > > > > > > > > SelectUser.jsp file, in order to edit the user information > > > > > > for exemple. > > > > > > > > > > > > > > > > Thanks all > > > > > > > > Dams > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > > > > > To unsubscribe, e-mail: > > > > > > > > <mailto:[EMAIL PROTECTED]> > > > > > > > > For additional commands, e-mail: > > > > > > > > <mailto:[EMAIL PROTECTED]> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > > > > To unsubscribe, e-mail: > > > > > > <mailto:[EMAIL PROTECTED]> > > > > > > > For additional commands, e-mail: > > > > > > <mailto:[EMAIL PROTECTED]> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > > > To unsubscribe, e-mail: > > > > > <mailto:[EMAIL PROTECTED]> > > > > > For additional commands, e-mail: > > > > > <mailto:[EMAIL PROTECTED]> > > > > > > > > > > > > > > > > > > > > -- > > > > > To unsubscribe, e-mail: > > > > <mailto:[EMAIL PROTECTED]> > > > > > For additional commands, e-mail: > > > > <mailto:[EMAIL PROTECTED]> > > > > > > > > > > > > > > > > > > > > > > -- > > > > To unsubscribe, e-mail: > > > <mailto:[EMAIL PROTECTED]> > > > For additional commands, e-mail: > > > <mailto:[EMAIL PROTECTED]> > > > > > > > > > > > > -- > > > To unsubscribe, e-mail: > > <mailto:[EMAIL PROTECTED]> > > > For additional commands, e-mail: > > <mailto:[EMAIL PROTECTED]> > > > > > > > > > > > > -- > > To unsubscribe, e-mail: > > <mailto:[EMAIL PROTECTED]> > > For additional commands, e-mail: > > <mailto:[EMAIL PROTECTED]> > > > > > > -- > > To unsubscribe, e-mail: > <mailto:[EMAIL PROTECTED]> > > For additional commands, e-mail: > <mailto:[EMAIL PROTECTED]> > > > > > > > -- > To unsubscribe, e-mail: > <mailto:[EMAIL PROTECTED]> > For additional commands, e-mail: > <mailto:[EMAIL PROTECTED]> > -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
