Query a database a show the results into a form

Question

Hello!
I have a general question.
I have created a form and when the user submit it , it calls a servlet that store the information into a database.
Now I want to make a new page where you can look for the information that the user stored in to the database (according to an ID ) and that information must be showed to the user again into a form (same form but with two or more empty fields that he can update now).
What is the best way do that?
Should I include in the query.jsp a bean and program all in the bean and then come back with the results to the query page?
Im quite new to jsp, java...so , please I need your opinion about the best way to program that...
thanks in advance

Answer 1

As promised, here's a way to execute a SQL command and see the results in a JSP. It'll work with all four CRUD operations, as long as you pass valid SQL:
<%@ page errorPage="error.jsp" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core" %>
<%@ taglib prefix="sql" uri="http://java.sun.com/jstl/sql" %>
<form name="sqlQueryTester" method="post" action="sqlQueryTester.jsp">
    <center>
        <h3>SQL Query Tester</h3>
        <table>
            <tr>
                <th>SQL Query:</th>
                <td>
                    <textarea name="sqlQuery" rows="10" cols="80"></textarea>
                </td>
            </tr>
        </table>
        <table>
            <tr>
                <td>
                    <input type="submit" name="submit" value="Submit"/>
                </td>
                <td>
                    <input type="reset"/>
                </td>
            </tr>
        </table>
        <c:if test="${not empty param.sqlQuery}">
            <sql:query var="queryResult" sql="${param.sqlQuery}"/>
            <hr />
            <h3>Query Results</h3>
            <c:forEach items="${queryResult.rowsByIndex}" var="row" varStatus="status">
                <c:if test="${status.first}">
                   <table border="1" align="center" width="100%">
                       <tr bgcolor="#ffad00">
                           <c:forEach items="${queryResult.columnNames}" var="col">
                               <th><c:out value="${col}"/></th>
                           </c:forEach>
                       </tr>
                </c:if>
                <tr>
                    <c:forEach items="${row}" var="value">
                        <td><c:out value="${value}"/></td>
                    </c:forEach>
                </tr>               
                <c:if test="${status.last}">
                    </table>
                </c:if>
            </c:forEach>
        </c:if>
    </center>
</form>I'll leave the web.xml and error.jsp as an exercise for you.
This will run on Tomcat 4.1.x and JSTL version 1.0.
%