Events - Button_click Not Firing, After Browser Back Button?
Jun 18, 2010
I have a ASPX Page that contains several user controls, which are loaded dynamically after user interaction.
On one of ascx I have a hidden button that is being clicked on some user actions (via button.click()), which works fine on 1st page load. But after the form is being submitted once, the other ascx is loaded. There if user clicks the back button and resubmits the 1st form (again via button.click()), button_clicked event on server does not fire again.
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Jun 24, 2010
I've created a Sign Out link on my page, just like the one you see on the top right hand corner of this forum.
This is the code i use :
<asp:HyperLink NavigateUrl="~/Login.aspx" ID="hypSignOut" runat="server" Text="Sign Out"></asp:HyperLink>
However, after signing out, I click the back button on my browser, I can still go back into the site. How do I prevent this?
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Feb 19, 2010
I'm facing a weird issue...My button events are not firing :(I'm using the 3.5 .net framework and I've already tried to run aspnet_regiis -c, clear the browser temp files, use windows integrated authentication, but nothing works...this is the cenario:
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Jul 25, 2013
When I click Logout page redirect to Login page but when click to browser arrow back then it will goes back, I want to after Logout cannot going to back page...
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Dec 18, 2010
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Dec 24, 2010
I have a WebUserControl with a Button and some other controls (placeholder for images, labels). On a certain page, a number of these WebUserControls are created (using Me.LoadControl) and added to a PlaceHolder on the page.When the user clicks the button on either of these usercontrols, I want a method on the page to be called. I have been doing this by handling the Button Click event on the usercontrol, and then letting the usercontrol raise another event. I use AddHandler after creating the usercontrol to add an eventhandler method to this custom event. Sounds confusing? Here's a simple example.
The WebUserControl:
asp Code:
<%@ Control Language="vb" AutoEventWireup="false" CodeBehind="TestControl.ascx.vb" Inherits="CSLimitedEdition.Controls.TestControl" %><asp:Button runat="server" ID="btn" Text="Button" />
vb.net Code:
Namespace Controls Public Class TestControl Inherits System.Web.UI.UserControl Public Event ButtonClicked As EventHandler ' Just some property to test with Public Property Number As Integer Protected Sub btn_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btn.Click ' When the button is clicked, raise a ButtonClicked event to handle on the Page RaiseEvent ButtonClicked(Me, e) End Sub End ClassEnd Namespace
The Page to place a number of these controls on:
asp Code:
<%@ Page Title="" Language="vb" AutoEventWireup="false" MasterPageFile="~/Site.Master" CodeBehind="TestPage.aspx.vb" Inherits="CSLimitedEdition.Pages.TestPage" %><asp:Content ID="Content1" ContentPlaceHolderID="HeadContent" runat="server"></asp:Content><asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server"> <p> <asp:Label runat="server" ID="lbl" /> </p> <p> <asp:PlaceHolder runat="server" ID="placeHolder" /> </p> </asp:Content>
vb.net Code:
Imports CSLimitedEdition.Controls Namespace Pages Public Class TestPage Inherits System.Web.UI.Page Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load If Not Me.IsPostBack Then Me.AddControls() End If End Sub Private Sub AddControls() For i As Integer = 1 To 5 ' Create the control Dim c As TestControl = DirectCast(Me.LoadControl("~/Controls/TestControl.ascx"), TestControl) ' Set some property for testing and add event handler c.Number = i AddHandler c.ButtonClicked, AddressOf TestControl_ButtonClicked ' Add it to the place holder placeHolder.Controls.Add(c) Next End Sub Private Sub TestControl_ButtonClicked(ByVal sender As Object, ByVal e As EventArgs) ' When a button on a usercontrol is clicked, set the label text to the 'Number' property of that control Dim c As TestControl = DirectCast(sender, TestControl) lbl.Text = c.Number.ToString() End Sub End ClassEnd Namespace
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Aug 5, 2014
I have a master page with a menu on it. I have found now two pages out of dozens where for some reason the master page events aren't firing. I've put a break point in there and it never hits it. Is there something that could cause a disconnect between the page and the master page events? Really weird it happens in Chrome and IE but they fire correctly in Safari.
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Jan 6, 2011
I've stepped through the code and verified this action. It gets to the end sub and just loops again. Also does it on the production server in IE and Chome (that's all I've tried). Here is the button definition on the actual ASP page:
[Code]....
It goes through the code, sends me an email, gets to End Sub, then loops right back to the top of the sub and goes through the whole thing again, sending me a duplicate email, then exiting normally and sending them to the About page. This is the only code in the aspx.vb besides the class def and inherits statement.
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Mar 9, 2011
I am using ModalPopupExtender
as following code.
[Code]....
but btnClose_Click event is not firing. Why? when the user click the close button i want to close the aspz page how?
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Jan 8, 2010
So I've got a databound grid view within a UpdatePanel.
the user can change the data within the gridview then click a save button to update the data within the database.
However in order to know which rows have been changed I have a textChanged event associated with each textbox, but the event isn't being fired.
Here's the ASP code:
[code]....
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Aug 26, 2010
I have a page with in a master page. This page has a user control with a text box and a button. I also have another button on the page. As the page first loads the button_click event on both the controls does not fire when clicking the buttons. I also have an event on the enter key on the text box. This event fires which causes a post back. After post back now my button_click event fire. The button_click event does not fire on the first page_load.
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Nov 4, 2010
I am also facing some issues with Back Button of Internet Browser as well. Actully Page Load event of my page is not firing when i click on Back Button of Internet.
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Dec 9, 2010
Possible Duplicate: Disabling Back button on the browser i want to disable browser back button without using javascript function forward().because it remain on this page.
I want to totally disable browser back button like banking sites
send me code for that i need it
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May 20, 2010
I have an image that has an on-click function. That on-click function calls an action method in a controller passing some values from the page, using window.location.replace.
[Code]....
The controller then gets data from the repository and displays a "printer friendly html" page:
[Code]...
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Mar 9, 2014
When i Clicked a logout button the page will be close but the browser back button go to previous page how to solve this....
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Jan 12, 2010
Im using ASP.NET 2.0,C# for my web application development. I am having a login page and new user registration page. how to redirect to login page once user finishes his registration and clicks back button of browser. Registration page is container page using some master page..
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Dec 2, 2010
In my app, there is a grid that you can drill down. You can go back to prev view via some links but the back bowser button is not integrated to that, so that if you do hit the back browser button, it logs out of the app which I don't want. I would be happy if it would redirect to the first page. I think this part is what we need. [URL] this is the startpage.xaml, at the end there is the hyperlink - so maybe here I can see if the back browser is pressed ( there is no other place in the codes that would navigate out), and if this is pressed I can redirect to a different spot? Is this a sound idea and how do I check if this back browser has been pressed?
<HyperlinkButton Content="Logout"
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Mar 26, 2010
I'm using 2 masterpages in my project.One master page is for login page and another one for the HomePage where user will go thro the options to reach other pages from home page..The thing is,i have "Logout" button in my home page.When i click on the logout button,the page will be redirected to "LoginPage.aspx". After redirecting to login page,when i click on browser back button,the previous page is displaying but it should not display to user since i'm doing sensitive transactions in all pages...
I tried using following code
Code:
Response.Expires = 0;
Response.Cache.SetNoStore();
Response.AppendHeader("Pragma", "no-cache");
Page.Response.Cache.SetCacheability(HttpCacheability.NoCache);
but it's not working...
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Nov 12, 2010
From pageA, clicking a button to open pageB which display a crystal report. User can only use browser back button. How to open pageC from pageB? Can I add code in pageB close (if there is a page close event) or make back button in browser to open pageC instead of pageA?
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Jul 14, 2010
i just like to ask if you have any idea of preventing the Back button of the browser to navigate back to the previous page after a user log in.Ex:After a user successfully logged in to my website and he/she hit the Back button of the browser.I want this to not redirected to the previous page instead redirected to the same page which is my Main page.Also after a user logged out to my website and again he/she hit the Back button of the browser.I also want this to not redirected to the previous page instead redirected to my login page.
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May 10, 2010
How to recognize if user has come through browser back button in asp. net site
AS well how to identify if they have opened new tab in the same browser.
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Jan 11, 2010
Not sure if i'm posting in the right forum, if not, please move it...i have the following issue... I want to "disable" browser's back button. Seems it's not possible, but using cache.setcacheability and timing it, kinda disables the option of navigating back. I need this because in some pages of my webpage, i keep values in a Session variable so when a page loads, i need to check that variable, and, if navigating back, cant do that. I also "set cache to false" because if someone closes session, and i allow cache, someone else could handtype a url in that same pc and see the page without login (though if he/she tries to navigate through it will be kicked out because when loading a new page, i'll know that he/she is not logged) but i dont want to allow even that,
that's why cache is disabled. The problem is that loading over and over again my masterpage (header, footer, menu and stuff) is going to slow down the webpage, because every time there's a request, the page has to be sent again completely. So, is there something like a "mix" mode where i can allow cache just for a few things? If not, what's the best practice to achieve both things i'm trying: speed and security?
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Sep 17, 2010
i want to know how can i restrict any user to access any webpage after logging out
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Jan 16, 2012
After user has logged out i am redirecting user to home.aspx and from here i do not want user to be able to go back using browser back button.. How can i do it? I used this code in javascript :
<script type="text/javascript"> javascript:window.history.forward(1);</script>
This does not work for me. In all pages i am using Master Pages..
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Apr 16, 2012
I use following code to disable browser back button but it not work
<script type = "text/javascript" >
function preventBack(){window.history.forward();}
setTimeout("preventBack()", 0);
window.onunload=function(){null};
</script>
How can i disable it.
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