Web Forms :: Session And Master Page Bug - Two Clients Are The Same Session Id On Pages?
Apr 26, 2010
I have a very interesting problem about Sessions and Master Pages. I designed a small CRM web application with master page. Users could enter their expenses with this application. I put a label on master page. If users login to this site, I changed this label text.
Label text is username. My problem is; when some users using this site at same time, usernames are conflict. For example; One client login and label which on the masterpage value is Ali. Another client login and label value is Ahmet. After that, If two clients process the same things on this site, Ahmet's label's value is changed to the value of Ali. I write it Session Id on URL. Firstly two clients take different Session ID when login to that page. When conflict occurs, two clients are the same Session Id that pages. I am using .NET Framework 3.5V. Is this ASP.NET bug ?
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Sep 28, 2010
I have a site which has restricted access. Access is controlled via session variables.
There are a lot of pages to the site so I was going to check for the session variable via the page load event in my mater page. However, on certain pages I use the session variable in that pages page load event. This throws an error when the session doesn't exist, but what I want is the master page's page load to fire first.
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Feb 3, 2010
I am using the Forms Authentication in my application.
I have a master page and I have a default content page in the defaultUrl of the Forms Authentication. I am facing an issue: when the session expires the images and the css of the Master Page are not available.
How can I make the images available in the master page after the session expire?
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Jul 6, 2010
I have a web application that contains a MasterPage and a Web.sitemap file for the navigation. I am loading the navigation into an <asp:Repeater> control and I associating it with <asp:LinkButton>; something like this:
[Code]....
I have two issues:
Setting Session Variables: I'd like to set some session variables when any menu item is clicked.Dynamic Url: Once the Session variables are set, I'd like to set the url dynamically after the Session variable is set The thing is, I'd like to use the same aspx file for two different menu items, and I'd also like to set some session variables at the time of menu selection. I am aware that I cannot use the same url when I define the url in the web.sitemap file.
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Feb 25, 2016
I want the code for showing popup dialog box , to show the time remaining for session closing because of in-activity. and 2 buttons for allowing to stay or to signout.
i want all the settings that are need to achieve the functionality.
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Dec 20, 2010
i have two web aplications running on different sites.
1. site gets user information and show another website (2. site) in an i frame. but when i do this 2. site session starts again on every page.postback . if i connect to 2. site without 1. site everything works well.
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Jul 6, 2010
I have an ASP.NET application that needs to remember some info about a user (and what company they are from) across pages, within a session. I imagine this is a requirement of just about any ASP.NET application of a certain size. I've used a few different approaches over the years. In the past, I've passed around an id in querystring parameters like so: [URL] and then instantiated the object on each page (from the database). Another common way of doing it is storing my objects in session variables:
Session["User"] = currentUser; // store at login
User currentUser = (User)Session["User"]; // retrieve on some other page
which saves a trip to the DB, but I worry about memory used if the User object is complex and the site has many concurrent users. I have recently inherited an application that uses public properties on the master page, like this:
Master.theUser = currentUser; // store at login
User currentUser = Master.theUser; // retrieve on some other page
This saves the cast, and looks more readable to me I think, but I don't know if it's better or worse performance-wise. It also has some logic in the getter where if the private value is null, it tries to get it from the Session variable, though I'm not sure if that's never used (or used every get!?) or what. My latest idea is to use my page class. I have a custom page class derived from the standard System.Web.UI.Page base class. It includes objects like CurrentUser as public properties. This seems to work OK. I like it even better. But I really don't know what's going on under the covers. Can anyone give an opinion on which approach is better and why?
Update: I've done some checking use trace.axd and Trace.Write and it looks like neither the masterpage version nor the custom page class version "remember" the values between pages. The "get" methods have a line of code that checks if the User property is null, and if so, reads it from the session variable. This happens when a page accesses the property (Master.User or the derived class's this.User) for the first time on a given page, then subsequent requests can get the value (without going to the session variable). So thus far the best solution looks something like this:
public class MyPage : System.Web.UI.Page
{
private User user;
public User User
{
get
{
if (user == null)
{
user = (User)HttpContext.Current.Session["CurrentUser"]; //check if session[CurrentUser] is null here and log them out if so?
}
return user;
}
set
{
user = value;
HttpContext.Current.Session["CurrentUser"] = value;
}
}
}
Then on any webpage.aspx.cs, you can do something like this: UsernameTextBox.Text = User.FullName;
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Jan 29, 2011
How do you declare a dictionary called MyDic in the master page?
I want MyDic to hold lists of objects MyObj with a date as the key so that I can write something like this: "get the list for date 1/28/2011 from MyDic" or "put this list of MyObj from 1/28/2011 in MyDic".
I'd like to declare the dictionary in the master page so that I can access it in every page.
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Jun 10, 2010
Im trying to use code provide in this link below.http://www.codeproject.com/KB/aspnet/MultipleTabWindows.aspxim trying to have the below code in my master page instead of adding to each page. it works if i add to each page, but when i add to ,master page the session value for "WindowName" is always null.how can i fix this?
<script language="javascript" type="text/javascript">if(window.name != "<%=GetWindowName()%>"){ window.name = "invalidAccess"; window.open("InvalidAccess.aspx", "_self");}</script>public string GetWindowName(){ return Session["WindowName"].ToString();}
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Jun 14, 2012
How to correct my code... because if condition is going to false condition every time when i check the session value with admin user and agent user..
Code:
<td bgcolor="#808000" style="height: 22px">
<% If Session("S_UserName").ToString = "Admin" Then%>
<ul class="solidblockmenu"> <li> <a href="Dashboard.aspx" >Dashboard</a> </li><li> <a href="MasterUpload.aspx" >Master Upload</a> </li><li> <a href="InboxAgent.aspx" >Agent Inbox</a> </li><li> <a
[Code] ....
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Jan 26, 2011
There are two pages in my app, A and B.A is login page from which user ID was saved in a session. Once user login, B is open and user ID will display in B. When user submitted an order successfully at page B, page B will reopen but user ID was missed. How to fix it to keep session value in 20 minutes as default?
I check IIS, session time out time is 60 minutes.
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Jun 8, 2010
In my web application, I have to load different Master pages depending on the user log-in information. When I say different, I mean not just the colors but a whole new look[including navigation options]. So I am using 2 Master pages [one of them is set as default] and depending on the user information the other page will be used.
I got it to work by storing the user information in a Session variable and applying the master page dynamically using the Page_PreInit event. But the issue is, if I hit the back
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Jun 21, 2010
Currently I'm doing common functionality required throughout my site inside of my masterpage. What I want to do is move this functionality to a BaseClass so All my pages inherit from the Base Class. However, I'm not sure how to set this up interms of c# code with regards to Using a Base Class and then having a masterpage applied to my aspx pages that i create.
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Sep 5, 2010
I have a master page setup that is used throughout my site that is basically a header with a menu. I recently added a textbox and a button to this master page which is to be a quick search box that is available anywhere in the site. When a user enters text into the search box and hits the button, I need to load the actual content page which is used to search and show search results (which also uses this same master page), and have the text entered available so the search can be triggered automatically. Again, this search text box and button is now in my master page so it could be triggered from anywhere in the app... it serves as a convenient way to do a basic search from anywhere in my app, without having to first navigate to the actual 'search page' that already exists. You can also navigate to the actual search page, which uses the same master page, where there is many more search options.I'm thrown off by the master page arrangement, which I have not used until this project. What do I do?
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Aug 4, 2010
I got a Master page and nested master pages in the subfolders.
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Second Level Master page inherited Top Level Master page
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May 7, 2015
URL.... Still there will be need of url in ajax method if i put javascript in site.master.cs . As what i have understood from that mysite.master.cs will be like this :
protected void Page_Load(object sender, EventArgs e) {
try {
if (Session["Prefix"].ToString().Trim() == "sys_admin") {
UserNameMasterLabel.Text = Session["UserName"].ToString().Trim() + " (ADMIN)";
[code]....
And site.master will be like this :
And I have to put next method in DailyLog.aspx page ? like this
System.Web.Services.WebMethod(EnableSession = true)]
public static int RefreshSession() {
HttpContext.Current.Session["Name"] = "BSD";
Configuration config = WebConfigurationManager.OpenWebConfiguration("~/Web.Config");
SessionStateSection section = (SessionStateSection)config.GetSection("system.web/sessionState");
int timeout = (int)section.Timeout.TotalMinutes * 1000 * 60;
return timeout;
}
But I have several pages in my website , by doing the above story will it work for Builder.aspx ? or any other page rather than dailylog.aspx ?
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Apr 9, 2010
Using VS 2010 RC, VB, and Forms authentication to allow access to the site, depending on the login rights of a user, I want to turn on and off access to certain pages. I can turn on and off buttons to access the pages, but a user can type the page into the url, and it will still go to them.
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Oct 7, 2010
I have problem is that when i force to clear session so it remove all session on to server. i mean i open website at 2 systems and one system logout website so 2nd automatically logout.i dont know when is the problem. i m using Session.Abundent for current session.but it clear all.
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Apr 7, 2013
I want some efficient way that how can i display a message to user that he is about to logout after 1 minute if user is idle and doing nothing on the page for 1 mintue.
on message if user want stay online so he must click keep me online or say logout.
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May 6, 2014
I am trying to retrieve SessionItemShory column for given sessionid.The data stored is serialized so we need to deserialize the data to use it.I am trying to do that but its not working.
[Serializable]
public class sessiondata {
public string username { get; set; }
public string country { get; set; }
public string city { get; set; }
[code]...
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Aug 11, 2010
We have used Session heavily in our application, we have created core classes (which have many properties) and store objects of core class in the session.
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Feb 22, 2010
I would love to use hidden field value but I think I am missing something to do.
Since every page refresh or staying a little bir longer on the page, the value is missing.
[URL]
How can i do the this cookiles suff above...?
I use hidden value to keep the url to redirect to next page. May be i sould not keen on using hidden value, session variables are better?
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Dec 10, 2010
I am using the Session ID Manager. Now the session count is 0 between the access to pages, so I cannot access the Session variables. How do I save the value of Session variables.
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Jul 12, 2010
How can I retain the value of variables that I fill from CodeBehind throughout the session? (C#). For example, I do a LINQ query from the log in "on-Click" button event. The query produces a bunch of data about the user that I want to access throughout the session on additional ASP pages. I know that I can pass a large query string but I suspect that there is a better way. Here's a specific...
from the db function I product: COS=2 (class of service). Throughout the session, I test for COS and display appropriate pages. Assume that the LINQ query is accomplished in the CodeBehind attached to the "loginButton" within the "login.aspx" page.
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Nov 23, 2010
I am using Session ID Manager in all the pages of the website, but I am losing session variables in between the pages. what should I do to save the values of session variables.
Anoop
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