C# - Redirect Without Post Back?
Jul 6, 2010
I have a user registration form. Here I have link to another page (card info page) which has to be filled for the registration. User fills the few fields in the user registration form and click on the link that takes to card info page. When user clicks the link in card info page to navigate back to registration page, the previous details entered in registration got vanished. So I need to redirect from card info page to registration page without postback. How can i accomplish that?Response.Redirect() is used for redirection.
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Similar Messages:
Nov 30, 2010
I have four textbox and a button in my page. After filling the textbox. When the user click save button. A loading image should be displayed. User should not feel that the page is postback to the server,Some thing like in facebook loading image.
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Jul 14, 2010
Being new to ASP.NET I have run into trouble building my own Whack-a-mole program. I think my problem comes from using Buttons, which by themselves send post backs to the server, making the software unusable. The looks are in place, making new buttons show up in the grid, in different places by random. However, when a button is pushed - the score doesn't change (which I feel is strange).
Not so strange is that the Button doesn't work since it sends post back to the server - reloading the UpdatePanel. I think I should use a different controller like the CheckBox and style it hard using CSS (which isn't a problem). Is this the correct way to go, or should I make use of JavaScript AJAX instead?
Note to self: This technique shouldn't be used in a public application since it put too much unwanted pressure on the web server.
[code]...
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Jul 15, 2010
I searched google and found asynchronise post back trigger is used if we want update panel to post back on some event of control if it is out side the update panel. Than what is purpose of post back trigger ?
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Feb 22, 2011
Using Vb.Net 2003 Asp.Net 1.1
I have a dynamic data bound drop down list, when the user selects thier selected item I have to use the autopostback feature.
Problem is: when the page comes back it is at the top of the page not where i have the control.
I don't really need it to focus back on the dropdownlist but to scroll to it, I want to do it in the code behind.
Any "New" ways to do it, I mean new as in code from like 2010 instead of old code from the early days.
I really don't want to use Page.Register new Script...... code if I can avoid it.
What would be cool is a ScrollToControl() Function for my code behind that worked but didn't register script.
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Feb 9, 2011
I have a very odd and disconcerning problem. Just recently a page where I have 1 textbox and a buttoon has ceased to work.
When I look at the post coming into the PageLoad, the pageType is "POST", but the Page.IsPostBack is false!! and the textbox (which had content) is empty.
I have stripped all AJAX script out, so I have a very vanilla page (in a master page) being served.
The pages is
[Code]....
[Code]....
The page is "POST", but isPostback is false[Code]....
[Code]....
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Jul 7, 2012
i m having problem with logout code in asp.net with c#. this logout code should end session, disable browser's back button and and if somebody try to login by paste the url of any user account page.i used this code in login page
protected void Button1_Click(object sender, EventArgs e)
{
Session["name"] = TxtUserName.Text;
}
and in logout i used this
protected void logout_Click(object sender, EventArgs e)
{
Session.RemoveAll();
Session.Abandon();
Response.ClearHeaders();
Response.Redirect("login.aspx");
}
nothing happening back button is still visible
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Apr 3, 2011
I have a textbox that is used for searching. upon clicking the ok button and posting back, the function is called, and gets matching results by using sql query in the aspx.cs file this information will be displayed in the div tag and set visible. initially div tag will not be visible. after the button posts back, then the div tag will be set visible.
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Nov 20, 2010
i have tow dropdownlists in formview when i select from the first dropdownlist i take the value and postback to the same page with this line response.redirect("addtabs.aspx?SECID="+dropdownlist1.selected value.tostring())and thi second dropdownlist take th SECID and fill it self with sqldatasource with this parameter every thing okbut when post back the first dropdownlist doesn't select my choise but select the first item in it how can i make it still select my selection.
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Feb 10, 2011
What is the best way to distinguish beteen "Refresh Post" or a "Real Post Back". This is what I need to attain
protected void Button1_Click(object sender, EventArgs e)
{
if(PostBack && !Refresh)
{
//Do Something
}
}
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Mar 1, 2011
I'm interested in implementing PRG in my website for some forms I've created. At present they postback to themselves, and obviously refreshing these pages posts the data in duplicate. Can anyone point me in the direction of a good tutorial of how I can code this into my site? I understand the logic but am not sure exactly where to start.
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Jan 18, 2010
I am currently a beginner in asp.net i am currently watching msdn videos of "beginners developers learning" i am on the topic of application state so i got confused on a topic of "cross page postback" can anybody explain what that is
and another thing is "profile" object we use it in web.config file
1. what is cross page post back?
2. what is web.config file?
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Oct 5, 2010
I'm using a asp file upload control, however, when other controls trigger some post back actions, the file upload value return to null...any sample code i can follow please?
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Dec 30, 2010
Beginner question:
I'm not sure if this is specific to Telerik's plug-in I'm trying to use or if it's a 'generic thing' I'm doing wrong ?
I have a RadTextBox:
<telerik:RadTextBox ID="RadTextBox1" Runat="server" name="nameTest"/>
And I have an ASP button that run this code:
Dim a As String = Request.Form("nameTest")
Dim b As String = Request.Form("RadTextBox1")
Both a and b always remain null.
Questions
- How do I get postback values from Rad/components ?
- How do I get postback values from Rad/components when they are in user control ?
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Jan 14, 2010
I am using Attributes.Add("style","color:green") with some checkboxlists and radiobuttonlists. When I click one of the checkboxes and I do the autopostback the attributes clear out. So I would think someone already has a sub to fix this. Something like:
SaveAttributes(checkboxlist1) or SaveAttributes() 'which would loop though all controls and save the state.
and then on pageload it would have
LoadAttributes(checkboxlist1) or LoadAttributes() 'which would loop through all controls and restore the state.
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Jan 5, 2011
I have the following J query which is linked to a texbox - when the user selects the textbox a calendar control appears.After selecting a date I would like it to Auto post back.Currently when I select a date it does nothing.but i need to do a auto post back.is there anyway of doing this ??
[code]...
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Oct 5, 2010
Using Facebox with .NET (Web Forms) is painful--this primarily HTML site was designed by someone else. I may have IIS (7.5) issues as well. This Facebox pop-up is in a separate file, login.html, that is called from index.html:
$k('a[rel*=example_2]').facebox_1({
loading_image : '/images/loading.gif',
close_image : '/images/closelabel.gif'
});
and the link to open it
<a href="login.html" title="Log In" rel="example_2" id='login'>Log In </a>
The form to be submitted with username and password (login.html):
<form name="login" method="post" action="#" onsubmit="return false;">
and after it's validated (this is working), it posts to login.aspx (login.html):
[code]....
The form posts. I can debug it in Visual Studio in the Page_Load method of login.aspx. The last line of the Page_Load method is:
Response.Redirect("welcomepage.html");
But, the Facebox pop-up remains. Firebug shows the post, It hits the Page_Load method of login.aspx, and the Facebox pop-up doesn't go anywhere. BUT, Firebug shows welcomepage.html rendered twice in the Response tab of the XHR (huh? why XHR?) request. I thought $.post did a regular postback. And why isn't my browser actually redirecting.
Attempted Fix
If I change the form in login.html to action='login.aspx', I get a 405.0 error method not allowed (but, it's trying to post to index.html, HUH?). And I can't figure out how to fix this in IIS 7.5 on Windows 7. I get this error in Visual Studio and when deploying locally to IIS. I had read it may have to do with script mapping, handlers, or the fact that I'm posting from an but I can't find a sufficient fix.
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Mar 28, 2011
I have an ActionResult that accepts POST, however is there a work around for me to redirect from a controller to another controller containing this POST method/action?
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May 21, 2010
I have a asp.net app that I want to disable the buttons as soon as they are clicked in order to prevent multiple submissions. I'd like to use jquery for this as the site already liberally uses it anyway.
What I've tried is:
[code]....
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Oct 29, 2010
I am getting an error on javascript when doing post back. The code is as follows:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="test.aspx.cs" Inherits="test" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" [URL]>
<html xmlns=[URL]>
<head id="Head1" runat="server">
<title>Untitled Page</title>
<script language="javascript" type="text/javascript">
function DoPostBack()
{
__doPostBack('Button2','My Argument');
}
</script>
</head>
<body>
<form id="form1" runat="server">
<input type="button" id="Button2" value="Press me" onclick="DoPostBack()" />
</form>
</body>
</html>
I am getting the following error: Line: 13 Error: Object expected I can't understand why this error is coming.
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Aug 10, 2010
I have a website installed on one of our sales guys laptops and am having issues with the website hanging if left for 2 minutes. This doesn't happen on my dev box, my live machine or the other sales guys machine.
The website will hang. It's not just limited to this page, it will happen on all pages when I leave it for more than 2 minutes and then try and process a page that calls back via button or drop down ect. I have checked the IIS settings of the machine and everything seems the same as the other sales guys machine who is running the same version of the site.
Here are the specs:
Dev Box: asp.net 2, windows server 2008 64bit
Live Box: asp.net 2, windows server 2008 64bit
Working Sales Guy: asp.net2 windows 7 64bit
Broken Sales Guy: asp.net 2 Windows vista 32 bit (the only thing I can see different is windows version)
EDIT: For more information, if I stop the website from trying to load while it hangs, clear my history for the last hour and then refresh, the page comes back fine.
EDIT2: I have just spat out some debug information and it seems it doesn't even go into the post back I need.
EDIT3: This doesn't seem to happen when using Chrome but does when using IE and Mozilla.
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Jul 21, 2010
Disable a post back from asp.net i.e. buttons, links, gridview page index changing and sorting etc when a post back is already in progress. Target browser is IE 6+. I've written these 2 javascript I am not sure how to apply it on GridView Page Index changing.
[Code]....
But I am not sure how to attach the VerifySubmit to non prompting controls like gridview pager.
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Sep 29, 2010
I have many file upload controls in my web page. In this page is a add button that create dynamic controls in table rows. Every table row has a file upload control. When this button clicks, post back occurs and all file upload controls content fly and user have to select all of them. What should I do for keep FileUpload content after post back?
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Nov 17, 2010
I Had two webforms. source.aspx & Target.aspxSuorce.aspx has 2 textboxes for input data and two submit buttons. am using cross page technique to transfer data from one webform to other.ource Page:On buton click event :
Server.Transfer("TargetHome.aspx");
= null)
{
TextBox TextBox1 = PreviousPage.FindControl("TextBox1") as TextBox;
if (TextBox1 != null)
[code]...
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Apr 28, 2010
i find out that whenever there is a post back, the page will post back and go up to the to the top position of the screen. Is it posible for it to maintain the location as it is as before postback??
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