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Apratim Mitra
Session Problem in JSP
3 Answer(s)      6 years and 2 months ago
Posted in : JSP-Servlet



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November 16, 2008 at 10:43 PM


Hi friend,

<html>

<head>

<title>Disable Session Environment</title>



</head>



<body>

<center>

<table border="1" width="400px" cellspacing="0" cellpadding="0">

<tr><td>

<form action="session.jsp" method="post">

<center><h2>Please Enter user name password</h2></center>

<table border="0" width="400px" cellspacing="0" cellpadding="0">

<tr>

<td>User Name: </td>

<td><input type="text" size="20" name="txtUserName" />

</tr>

<tr>

<td>Password: </td>

<td><input type="password" size="20" name="txtPassword" />

</tr>

<tr>

<td>&nbsp;</td>

<td><input type="submit" value="Submit" name="B1" /></td>

</tr>

</table>

</form>

</td>

</tr>

</table>

</center>

</body>

</html>
-----------------------------------

<%@page language="java" %>



<%

String userName = request.getParameter("txtUserName");

String password = request.getParameter("txtPassword");

if(userName == null)

userName = "";

if(password == null)

password = "";



if(!userName.equals("") && !password.equals("")){

session.setAttribute("SessionUser", userName);

session.setAttribute("SessionPassword", password);

out.println("Welcome " + userName + "!");

out.println("<br/><a href=sessionresult.jsp>Next Page with session true.</a>");

out.println("<br/><a href=ShowFalseSession.jsp>Next Page with session false.</a>");

}

else if(userName.equals("")){

out.println("<font color=red><b>User name required.</b></font>");

out.println("<br/><a href=sessionForm.jsp>Go back!</a>");

}

else if(password.equals("")){

out.println("<font color=red><b>Password required.</b></font>");

out.println("<br/><a href=sessionForm.jsp>Go back!</a>");

}

%>

---------------------------------


November 16, 2008 at 10:46 PM


<%@page language="java" session="true" %>



<%

String username = (String)session.getAttribute("SessionUser");

String password = (String)session.getAttribute("SessionPassword");

out.println("<b>Welcome " + username + "!</b>");

%>

------------------------------------


<%@page language="java" session="false" %>



<%

out.println("The value of session attribute is false!");

%>

-------------------------------


Visit for more information.

http://www.roseindia.net/jsp/jspsession/

Thanks.


February 16, 2013 at 2:56 PM


Dear Users,
My Requirement :
I am coming to my Index Page-->
Main Search Page-->
Putting Search criteria-->
Click on Search Button-->
Data comes..
My Problem :
I clicks Back button-->
Index Page-->
Again comes to Main Search Page-->
Now the previously searched data is remaining there!
My Solution :
When comes to the Main Search Page,
1. Take the URL like window.location.href to a global variable
2. Use Search method to check whether our Search Page's name is there in the URL
3. If not, don't do anything special,
if it is there, reset the Search Criteria fields and then internally call the Search Action

4. The Page will be reset.


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