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POImplementing CRUD services for JSP/Servlet Application - Problems with read operations
 

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    <p>I am currently working on a website that incorporates JSP's, servlets and some CRUD database services. I am stuck on the <strong>read</strong> portion of the CRUD, as I am unable to get the desired effects.</p> <p>I am connected to a database and am able to insert data from the website without any trouble. What I am trying to do now is to have a select/option box in the JSP call on a row from the database, and to have the corresponding columns of the row translate on the next page. However, I am unable to get more than one row from the option box to appear. The code is listed below.</p> <p>Bean class:</p> <pre><code>public class ReadBean { protected String title; protected String author; protected String text; public String getTitle() { return title; } public void setTitle(String newTitle) { title = newTitle; } public String getAuthor() { return author; } public void setAuthor(String newAuthor) { author = newAuthor; } public String getText() { return text; } public void setText(String newText) { text = newText; } } </code></pre> <p>Controller:</p> <pre><code>@WebServlet(urlPatterns = { "/com/defaultValidate/ReadController" }) public class ReadController extends HttpServlet { protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { ReadBean reader = new ReadBean(); String address; if (request.getParameter("ReadConfirm") != null) { try { Connection connect = ConnectionManager.getConnection(); String SQL = "SELECT * FROM prayers ORDER BY prayerTitle DESC"; PreparedStatement ps = connect.prepareStatement(SQL); ResultSet rs = ps.executeQuery(); while (rs.next()) { request.getSession().setAttribute("ref", reader); reader.setTitle(rs.getString("prayerTitle")); } } catch (Exception e) { } address = "ReadConfirm.jsp"; } else if (request.getParameter("ReadView") != null) { address = "ReadView.jsp"; } else { address = null; } RequestDispatcher dispatcher = request.getRequestDispatcher(address); dispatcher.forward(request, response); } } </code></pre> <p>And then the corresponding jsp page that the controller responds to:</p> <pre><code>&lt;%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%&gt; &lt;%@include file="MenuHeader.jsp"%&gt; &lt;/div&gt; &lt;div id="mainBorder"&gt; &lt;/div&gt; &lt;div id="mainBody"&gt; &lt;table id="mainTable"&gt; &lt;tr&gt; &lt;td id="sidebar"&gt; &lt;h2&gt;Options&lt;/h2&gt; &lt;ul&gt; &lt;/ul&gt; &lt;/td&gt; &lt;td id="mainContent"&gt; &lt;h2 id="contentHeader"&gt;Select a prayer&lt;/h2&gt; &lt;form action="ReadController"&gt; &lt;table border="1" width="1" cellspacing="5" cellpadding="5"&gt; &lt;thead&gt; &lt;tr&gt; &lt;th&gt;&lt;/th&gt; &lt;/tr&gt; &lt;/thead&gt; &lt;tbody&gt; &lt;tr&gt; &lt;td&gt;&lt;select name="prayer_id"&gt; &lt;c:forEach var="ReadController" items="${ref.title}"&gt; &lt;option value=""&gt;${ref.title}&lt;/option&gt; &lt;/c:forEach&gt; &lt;/select&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;&lt;input type="submit" name="ReadView" value="View"&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/tbody&gt; &lt;/table&gt; &lt;/form&gt; &lt;td id="imageBar"&gt; &lt;/td&gt; &lt;/table&gt; &lt;%@ include file="../menuHeaderAndFooter/MenuFooter.jsp" %&gt; </code></pre> <p>I am definitely not an expert, but I think I am missing something in between the connection from the controller to the for-each element in the JSP that I am simply stuck on. In case curious, the WEB-XML portion of this section is operational and the ConnectionManager is a simple call to set up the connection to the database. The Glassfish package is the utilized server.</p> <p>If you have any questions about any other portion of the code, let me know as I am quite interested in getting this particular project completed and running as soon and efficiently as possible. I will be happy to provide any additional coding and reference requested. </p> <p>Any assistance on this particular spot is most appreciated and very helpful. Thank you for looking this over. </p>
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