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POjsp useBean is NULL by getAttribute by servlet
 

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    <p>user is null in servlet. Pls let me if doing mistake.</p> <p>i m trying to get all html element in bean rateCode.jsp</p> <pre><code>&lt;%@page import="com.hermes.data.RateCode_" %&gt; &lt;!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"&gt; &lt;html&gt; &lt;head&gt; &lt;title&gt;Rate Code&lt;/title&gt; &lt;/head&gt; &lt;body&gt; &lt;jsp:useBean id="user" class="com.hermes.data.RateCode_" scope="request" &gt; &lt;jsp:setProperty name="user" property="*"/&gt;&lt;/jsp:useBean&gt; &lt;form id="f_rateCode" action="/ratePromoCodes" method="post" &gt; &lt;table align="center" border="1" cellspacing="0"&gt; &lt;tr&gt; &lt;td colspan="2" align="center" class="header"&gt;Rate Code Administrations&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td align="right" style="border-style: solid;"&gt;Rate Code:&lt;/td&gt; &lt;td align="left" style="border-style: solid;"&gt; &lt;input type="text" id="code" name="code" value="${user.code}" size="10" maxlength="32" style="width: 100px"/&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td align="right" style="border-style: solid;"&gt;Rate Description:&lt;/td&gt; &lt;td align="left" style="border-style: solid;"&gt; &lt;input type="text" id="description" name="description" value="&lt;%=user.getDescription()%&gt;" maxlength="128" size="40"&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt;&lt;td&gt;&lt;input type="submit" value="ok" /&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; &lt;/form&gt; </code></pre> <p>Servlet - ratePromoCodes</p> <pre><code>protected void doPost(HttpServletRequest req, HttpServletResponse resp) { RateCode_ rc = (RateCode_) req.getAttribute("user"); Enumeration an = req.getAttributeNames(); Enumeration pn = req.getParameterNames(); Object o = null; while (an.hasMoreElements()) { o = an.nextElement(); System.out.println(o); } while (pn.hasMoreElements()) { o = pn.nextElement(); System.out.println(o); } } </code></pre> <p>RateCode.java (javaBean)</p> <pre><code>public class RateCode_ { private String code ; private String description; public String getCode() { return code; } public void setCode(String code) { this.code = code; } public String getDescription() { return description; } public void setDescription(String description) { this.description = description; } } </code></pre>
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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