Re: jsp:getProperty - Please Help!

Wed, 08 Nov 2000 03:57:50 -0800 

hi
could you suggest any materials to read on sessions in
jsp
thank you
--- Clemente Dani <[EMAIL PROTECTED]> wrote: >
What are you doing?, You aren't accessing the same
> bean, you first get
> a bean using Usebean and save it in "faq" id, but
> you next get another
> instance from the request object, exactly an array
> of this beans.
>
> Then in the for loop you overwrite the faq id with
> the components of
> the array, and use it as if it was the Bean you got
> with Usebean?, I
> don't understand this, but I think it could be
> wrong.
>
> Bye
>
> ----- Mensaje Original -----
> De: Thang Nguyen <[EMAIL PROTECTED]>
> Fecha: Mi�rcoles, Noviembre 8, 2000 0:31 am
> Asunto: jsp:getProperty -  Please Help!
>
> > Hi,
> >
> > Allow me to ask you a question, that I can not
> explain.  It seems
> > that I really
> > miss out something with the jsp.   Here is my
> problem,  I have a
> > simple jsp that
> > use java bean ( from a book example), however I
> narrow it down.
> > If I get the
> > value directly from bean through scriptlet, then
> it works fine as
> > Method 1.
> > However, Method 2 does not work, I could not find
> what is wrong
> > with it.   I
> > include here the jsp, the output, and java code
> for the bean.
> > Can you pls look
> > at the code below and tell me what I have done
> wrong there?
> > Thanks much for your
> > helps.
> >
> >
> > <%@ page import="com.taglib.wdjsp.faqtool.*"
> > errorPage="error.jsp" %>
> > <jsp:useBean id="faq" scope="page"
> > class="com.taglib.wdjsp.faqtool.FaqBean"/><%
> >  FaqBean[] faqs =
> (FaqBean[])request.getAttribute("faqs");
> > %>
> > <html>
> > <%
> > for (int i=0; i < faqs.length; i++) {
> >  faq = faqs[i];
> > %>
> > <br>
> > Using method 1: <br>
> > Question is:  <%= faq.getQuestion() %> <br>
> > <br>
> > Using method 2: <br>
> > Question is: <jsp:getProperty name="faq"
> property="question" /> <br>
> > <br>
> > <% } %>
> > </html>
> > </jsp:useBean>
> >
> >
> > ==================
> > Here is the output (you notice for method 2, the
> question is null)
> >
> > Using method 1:
> > Question is: How can mode 1 format fracture files
> (.yaa) be
> > converted to reticle
> > mode format?
> >
> > Using method 2:
> > Question is:
> >
> >
> > Using method 1:
> > Question is: How can mode 2 format fracture files
> (.yaa) be
> > converted to reticle
> > mode format?
> >
> > Using method 2:
> > Question is:
> >
> >
> > =====================================
> > And the code for the bean is:
> >
> > package com.taglib.wdjsp.faqtool;
> >
> > import java.util.Date;
> >
> > public class FaqBean {
> >  private int id;
> >  private String question;
> >  private String answer;
> >  private Date lastModified;
> >
> >  public FaqBean() {
> >    this.id = 0;
> >    this.question = "";
> >    this.answer = "";
> >    this.lastModified = new Date();
> >  }
> >
> >  public void setQuestion(String question) {
> >    this.question = question;
> >    this.lastModified = new Date();
> >  }
> >
> >  public String getQuestion() {
> >    return this.question;
> >  }
> >
> >  public void setAnswer(String answer) {
> >    this.answer = answer;
> >    this.lastModified = new Date();
> >  }
> >
> >  public String getAnswer() {
> >    return this.answer;
> >  }
> >
> >  public void setID(int id) {
> >    this.id = id;
> >  }
> >
> >  public int getID() {
> >    return this.id;
> >  }
> >
> >  public Date getLastModified() {
> >    return this.lastModified;
> >  }
> >
> >  public void setLastModified(Date modified) {
> >    this.lastModified = modified;
> >  }
> >
> >  public String toString() {
> >    return "[" + id + "] " + "Q: " + question + ";
> A: " +
> >      answer + "\n";
> >  }
> > }
> >
> >
> >
> >
> > ==========
> > -TN
> >
> >
>
========================================================================
> ===
> > To unsubscribe: mailto [EMAIL PROTECTED] with
> body: "signoff
> > JSP-INTEREST".
> > Some relevant FAQs on JSP/Servlets can be found
> at:
> >
> > http://java.sun.com/products/jsp/faq.html
> > http://www.esperanto.org.nz/jsp/jspfaq.html
> >
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> >
>
http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
> >
>
>
>
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>
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> To unsubscribe: mailto [EMAIL PROTECTED] with
> body: "signoff JSP-INTEREST".
> Some relevant FAQs on JSP/Servlets can be found at:
>
>  http://java.sun.com/products/jsp/faq.html
>  http://www.esperanto.org.nz/jsp/jspfaq.html
>  http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
>
http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets


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Some relevant FAQs on JSP/Servlets can be found at:

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