Value in the else condition is getting printed as the page loads

<%-- 
    Document   : login
    Created on : 12 Sep, 2012, 4:30:37 PM
    Author     : sanidhya09
--%>

<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
        <title>Login Page</title>
        <link rel="stylesheet" href="css/margin.css" type="text/css" />
 
    </head>
       
    <body background="images/medicallogo.png">
      
      <form name="form" method="post" action="login.jsp" >

<%
 try{
 Connection con;
 Statement smt;
 ResultSet rs;
String user=request.getParameter("user_id");
String pass=request.getParameter("password");
//Class.forName("com.mysql.jdbc.Driver").newInstance();
//connection =DriverManager.getConnection("jdbc:mysql://localhost:3306/hospital", "root", "");
           
                con=Database_Connectivity.dbcon();
                smt=con.createStatement();
                rs=smt.executeQuery("select * from login where user_id='"+user+"' and password='"+pass+"'");
                if(rs.next())
                                       {
                while(rs.next())
                {
                    String str=rs.getString("type");
                    if(str.equals("employee"))
                    {
                     response.sendRedirect("index.jsp"); 
                    }
                          
               }
                               }
                else
                                                           {
                          out.println("Not valid Credentials");
                          // response.sendRedirect("login.jsp"); 
                                                     }
               }
            catch(Exception ex)
                {
                System.out.println("Error="+ex);
            }
%>

<p align="center"><font face="Arial Black" color="#800000"><b>PLEASE LOGIN HERE</b></font></p>                           
                <table cellpadding="0" cellspacing="0" width="300" height="250" BORDER="0" align="center">
                     <tr>
                        <td>
                            <font color="#000080" face="arial"/>USERNAME :
                        </td>
                       <td>
                           <input type="text" name="user_id" size="20" id="user_id" />    
                       </td>
                    </tr>
                  <tr>
                      <td>
                        <font face="arial" color="#000080" />PASSWORD :
                         </td>
                       <td>
                           <input type="password" name="password" size="20" id="password" />
                       </td>
                 </tr>
                 <tr>
                     <td>
                        <font face="arial" color="#000080" />COUNTER :  </td>
                       <td>
                           <select size="1" name="Counter">
                        <option>Counter 1</option>
                        <option>Counter 2</option>
                        <option>Counter 3</option>
                        <option>Counter 4</option>
                        <option>Counter 5</option>
                        </select>

</td>
        </tr>
        <tr>
                         <td>
                        <font face="arial" color="#000080" />Remember Me :
                         </td>
                       <td>
                           <input type="CHECKBOX" name="checkbox" />
                       </td>
                 </tr>
        <tr align="right">
            <td>	
                           <button name="reset" type="reset"  style="background-color:lightseagreen">RESET</button>
            </td>
            <td>
                            <button name="login" style="background-color:lightseagreen">LOGIN</button>
                                            
                             
            </td>
        </tr>
        
        </table>
                                        </td>
                                     </tr>
                                </table>
                            </div>                           
               <div id="footer"><br />
                    <%@ include file="footer2.jsp" %>
               </div> 
               
               </td> 
            </tr>          
        </table>
      </form>
    </body>
</html>

Hi Sanidhya,

What is the fetchsize of your resultset?

Regards
Jatan