hi everyone,
After an instructor logs in I am creating an
Instructors bean and then going to another servlet
called the AddAssignmentServlet. This is performtask
in the AddAssignmentServlet
HttpSession session=request.getSession(true);
UserBean
userbean=(UserBean)session.getValue("userbean");
InstructorselectionBean
ibean=(InstructorselectionBean)session.getValue("ibean");
if(userbean==null || ibean==null)
{
response.sendRedirect("/login.jsp");
}
ConnectionPool
cpool=(ConnectionPool)session.getValue("cpool");
ibean.setCpool(cpool);
ibean.getAllCourseAssignments();
session.putValue("ibean",ibean);
System.out.println("In AddAssignmentSevlet 2");
String
assignmentname=request.getParameter("assignmentname");
String duedate=request.getParameter("duedate");
if(assignmentname==null || duedate==null)
{
response.sendRedirect("/instructorselection.jsp");
}
else
{
//InstructorselectionBean iselectbean=new
InstructorselectionBean();
ibean.setDuedate(duedate);
System.out.println("In AddAssignmentSevlet 1");
ibean.addAssignment(assignmentname);
System.out.println("In AddAssignmentSevlet 3");
}
. Here I am using the ibean which is my beans
getAllCourseAssignment method which loads all the
assignments in a vector in in ibean itself.
However, for every assignmetn I am creating an
assignmet bean and putting that in a Vector.
this is in the ibeans getAllCourseAssignment method...
System.out.println("In getAllCourseassignments");
String query="Select name,duedate from assignments";
Connection dbConn= cpool.getConnection();
Statement stat=dbConn.createStatement();
ResultSet rs=stat.executeQuery(query);
System.out.println(query);
cpool.returnConnection(dbConn);
while(rs.next())
{
String assignmentname=rs.getString("name");
String duedate=rs.getString("duedate");
assignmentvector.addElement(new
AssignmentBean(assignmentname,duedate));
}
Now when I go to a JSP page and use the ibean and get
the vector and cast the objects as AssignmentBean
it gives me an error
<jsp:useBean id= "ibean" scope= "session" class=
"levelone.InstructorselectionBean" />
<jsp:useBean id= "userbean" scope= "session" class=
"levelone.UserBean" />
...
..
...
..
<%Vector v=(Vector)ibean.getAssignmentvector();%>
<%for(int i=0; i<v.size();i++)
{
AssignmentBean abean=(AssignmentBean)v.elementAt(i);
%>
<TR>
<TD
width="215"><%=abean.getAssignmentname()%></TD>
<TD width="137"><%=abean.getDuedate()%></TD>
<TD><A href="/theme/grade">grade</A></TD>
<TD><A href="/theme/delete">delete</A></TD>
</TR>
<%}%>
please let me know whats going on here..i am
stumped..why doesnt it recognize
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