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Thread: jsp- servlet problems

  1. #1
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    Thumbs up jsp- servlet problems

    hello friends!!!!!!!!!
    I want to read parameters from text field of jsp page on servlet page
    and further i want to insert these values in to database table named
    result table
    i am using the concept of MVC architecture.
    fallowing is the code below in consern

    .................................................. .................................................. ......................

    //on jsp page i have written below codes
    <tr>
    <td><input type="text" name="text1" readonly value="<%= Math.floor(Math.random()*101)%>" size="18"/></td>
    <td><input type="text" name="text2" readonly value="<%=Math.floor(Math.random()*101)%>" size="18"/></td>
    <td><input type="text" name="text3" readonly value="<%=Math.floor(Math.random()*101)%>" size="18"/></td>
    <td><input type="text" name="text4" readonly value="<%=Math.floor(Math.random()*101)%>" size="18"/></td>
    <td><input type="text" name="text5" readonly value="<%=Math.floor(Math.random()*101)%>" size="18"/></td>
    </tr>
    .................................................. .................................................. ..............................
    //on servlet i have written the codes below

    try{
    float s9=Float.parseFloat(request.getParameter("text1"). toString());
    System.out.print(s9);
    float s10=Float.parseFloat(request.getParameter("text2") .toString());
    System.out.print(s10);
    float s11=Float.parseFloat(request.getParameter("text3") .toString());
    float s12=Float.parseFloat(request.getParameter("text4") .toString());
    float s13=Float.parseFloat(request.getParameter("text5") .toString());
    System.out.print(s13);
    Time s14=Time.valueOf(request.getParameter("timetext")) ;
    System.out.print(s14);
    st7=conn.prepareStatement("insert into resulttable(result_time,50RS,100RS,200RS,300RS,500 RS,resno)"+
    "values("+Time.valueOf(request.getParameter("timet ext"))+","+request.getParameter("text1")+"','"+req uest.getParameter("text2")+"','"+request.getParame ter("text3")+"','"+request.getParameter("text4")+" ','"+request.getParameter("text5")+"'),"+1+"");
    //st7.setTime(1,s14);
    // st7.setString(2, s9);
    // st7.setString(3, s10);
    // st7.setString(4, s11);
    // st7.setString(5, s12);
    // st7.setString(6, s13);
    // st7.setInt(8, 1);
    int i=st7.executeUpdate();
    if(i==1)
    {
    response.sendRedirect("/jsp3/LotteryScreen.jsp");

    }else
    {
    response.sendRedirect("/jsp3/DispResult.jsp");
    }


    //when i run above code it transfer controls to server side but does not show any output and neither throw any exception
    I am totally confused what to do with the code?????????????????????????
    please help me?????????????????????
    Last edited by kundan_101; January 3rd, 2011 at 01:11 AM.


  2. #2
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    Default Re: jsp- servlet problems

    Please define what you mean by 'does not work'? Does it run on the server? Exceptions being thrown? Behavior incorrect (if so, describe what you get versus what you want/expect)?

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