Web Forms :: Not Posting Back After Response.AddHeader

Jan 1, 2011

I used the following code for the form download

[Code]....

But form is not posting back on execution of the above statement. What should I do , so that form postback also occurs after this statement.

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Response Object / Response.AddHeader Is Used To Add A New HTML Header?

Jul 16, 2010

[Code]....

I am using this code to download and its working well for me.But i cant understand the code.Can someone explain me this code to me please?

Response.AddHeader is used to add a new HTML header,but what is an HTML header all about?and the parameters i am passing within it as the name and value;what are they?

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Web Forms :: Form Not Submitting After Response.AddHeader?

Dec 29, 2010

I am using the following code to download the file from web server

[Code]....

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Web Forms :: Response.AddHeader Not Working In Safari?

Nov 20, 2010

my website www.findmyhomefromhome.com after a sucessful entry i redirect the users to their previous uploads which is the manageaccomm page. The code behind that does this is Response.AddHeader("REFRESH", "3;URL=manageaccomm.aspx");

This works in firefox but not in safari. In safari it goes to the following [url]

and the message "resource could not be found Requested URL: /manageaccomm.aspx, 3;URL=manageaccomm.aspx".

I'd like to fix this but keep it working on other browsers .

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C# - Response.AddHeader In An Ascx File?

Apr 1, 2011

Is it possible to use the Response.AddHeader particularly Im trying to use the "Refresh" of it. I need it to pause before it redirects but the place where the code is being ran is in a ASCX in the codebehind. It does nothing when I have the following in my Codebehind:

HttpContext.Current.Response.AddHeader("Refresh", "6;URL=Default.aspx");

Any way I can redirect a user in the codebehind on a ascx page?

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C# - Response.AddHeader("Content-Disposition") Not Opening File In IE6?

Oct 8, 2010

I'm using Response.AddHeader("Content-Disposition", "attachment; filename=" + Server.HtmlEncode(FileName)); to pop a 'open/save file' dialog for the users, so that they can download an file on to their local machines.

This is working good normally in IE7,But on IE6 the file is not opening when user click on the open button in 'open/save file' dialog. I gone through the net and found that Response.AddHeader("Content-Disposition", "inline; filename="+Server.HtmlEncode(FileName)); should be provide to work that in IE6,and its works fine..

But the issue is most of the files that can open in browser opens on the page itself.. ie user on a mail page and click download an image file it opens there,, i need it to open in another window as in case of IE7 what can i do... other files that cannot open in bowser open with current application in system ie(word,excel etc)..

The Code i used is here....

Response.AddHeader("Content-Disposition", "attachment; filename=" +FileName);
Response.AddHeader("Content-Length", file.Length.ToString());
Response.ContentType = ReturnExtension(file.Extension.ToLower());
Response.TransmitFile(file.FullName);
Response.End();
private string ReturnExtension(string fileExtension)
{
switch (fileExtension)
{
case ".txt":
return "text/plain";
case ".doc":
return "application/ms-word";
case ".xls":
return "application/vnd.ms-excel";
case ".gif":
return "image/gif";
case ".jpg":
case "jpeg":
return "image/jpeg";
case ".bmp":
return "image/bmp";
case ".wav":
return "audio/wav";
case ".ppt":
return "application/mspowerpoint";
case ".dwg":
return "image/vnd.dwg";
default:
return "application/octet-stream";
}
}

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Web Forms :: What's Actually Posting Back The PAGE

Jan 31, 2011

when any Button control is clicked generally it Postback the page to itself, and the same page is regenerated.This is the usual defination of postback in context of a Button Control. But my dear friends i am confused that what is the actual mechanism behind this.Okey say for definition the above statement is fine but believe me i not not getting the actual meaning.What is posting back the Page? What is Page in browser's context? There is only html markup, JavaScript and CSS codes in browser's page.These make up the html page. I think there is no any relation of this Browser's page with ASP.NET Page class. What does it mean that browser's content is posted back to the Page itself ?

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Web Forms :: Posting Form Data And Receiving Response?

Sep 3, 2010

I have an application that needs to post data to a url on the web and then receive an xml response. I have an HTML form (provided by vendor) that posts the data correctly, however when clicking the submit button the page is redirected to the post url and the xml is displayed in the browser. I need to do this on a postback within an existing asp.net project. Basically, the user will fill out the form, the form data will post to the url, the xml response will be received, and the appropriate values will be displayed on the screen. I've found a bunch of examples for doing this but I just can't seem to get my head around it. Can anyone point me in the right direction or explain how I should go about this?

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Web Forms :: Posting Page Back In Some Browsers

Mar 13, 2010

I have a problem of posting back in my website in some browsers. The Problem is: When I am uploading a file using file upload and button or posting page back on some event click after button click I am using:

ClientScript.RegisterClientScriptBlock(Me.GetType, "AddData", "alert('" & f_u_devideo.FileName & " Uploaded Successfully');", True)

But after that the page not not load again and a blank page comes in some browsers

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Web Forms :: Prevent Posting Back To Page Load Method?

May 25, 2010

I have a button on my web form. When it is pressed, the event method for that button is called as it should be. However before the buttons method is called, the page load event is first called. Is there a way to prevent the page load event from being called when the button is pressed? I know about using !Page.IsPostback in the Page load method. However I wish to avoid posting back to the Page Load method altogether when this particular button is pressed.

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Web Forms :: How To Update The Grid Control Without Posting Back The Formview

Jun 25, 2010

i placed my grid control and FromView control in the same page, the problem is when i click on the "update" in the grid control, the field validation control in my FrormView get excuted and the page would not post back to the server.

How can i update the grid control with-out posting back the Formview.

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Web Forms :: Navigate Child Pages Without Posting Back The Master Page

Sep 21, 2010

I have a master page and some child pages, i want that when i navigate the child forms, my should not post back, only the inner should navigate

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How To Update Another Dropdownlist Without Posting Back

Dec 6, 2010

how can i update another dropdownlist without posting back. i've seen the sample somewhere but its not doing anything.

Code:
<asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">
<ContentTemplate>
<asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="false" OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged">
<asp:ListItem Value="0">----Select----</asp:ListItem>
<asp:ListItem Value="101">General Admin</asp:ListItem>
[code]...

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AJAX :: ImageButton Not Posting Back?

May 24, 2010

Here's the code I'm using but it's not working.

[Code]....

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MVC :: Ajax.BeginForm() Posting Back Only Once?

Dec 23, 2010

[Code]....

I have the above code, on the get method I do the following.

[Code]....

It only hits the index once after loading the page. It never goes to the index method.

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MVC :: Posting Back To A Method Directly?

Mar 15, 2011

I am trying to implement autocomplete using JQuery. I cannot get this to work directly from my view so I am trying to post directly back to a method in my controller that has a reference to the web service. How do I post directly back to a method in my controller?

My method name is Autocomplete URL: "/" - Takes me to the Index method of my main controller. I want to go to a different method so I can return JSON back

Code below:

[Code]....

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C# - Posting Back With JavaScript / JQuery?

Feb 25, 2011

I have a keyboard-controlled menu which I did with jquery (When I press down, it marks second option and so on...)

But after I select the option I need, I want to click enter to call the button's OnClick method as if the user really clicked it. Which means I have to do a postback.

how do I do that?

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2 Update Panels Always Posting Back?

Nov 16, 2010

i have the below page and i am racking my brain as to why when i have two update panels do they both get post backs. i can tell cause i have two user controls- one in each panel and they both fire page load events when only the left panel should be posing back and updating itself... or else whats the point of update panels if in reality the entire page is posting back!

<asp:Content ID="StyleContent" ContentPlaceHolderID="Style" runat="server">
<link href="../Styles/ReportWizard.css" rel="stylesheet" type="text/css" />
<div class="clearFix"></div>
<div class="wizardContainer">
<asp:UpdatePanel runat="server" ID="pnlWizard">

[Code].....

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Forms Data Controls :: LinkButton On Repeater Stops Posting Back After Client Side JavaScript Executes?

Dec 31, 2010

I have a repeater that has a LinkButton in the Item Template. The LinkButton displays a UserControl that consists of a FormView. The UserControl has an HTML Element that when clicked hides the UserControl by simply change the display of the control from 'block' to 'none'. If the 'Close' span is clicked, the UserControl is successfully hidden, but afterward, the 'Edit' linkbuttons no longer postback.

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AJAX :: How To Prevent Page From Posting Back

Jul 30, 2010

I found alot of thread about how to postback after close the modal popup.

But for me, the system has already did it for me.

How to prevent page from posting back?

here's my code

[Code]....

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AJAX :: Posting Back A Disabled Button?

Aug 26, 2010

I have a control which inherits from LinkButton and I'm trying to make sure that the user cannot cause mayhem by performing multiple postbacks. That seemed an easy enough challenge, so I have this code [snippet] on the client:

[Code]....

The alert is of course only there for debugging. If the DisableOnClick value is false, then I see the "Posting Back" alert and, when I click ok, the postback occurs - all good.

If the DisableOnClick value is true, then the "button" gets disabled and the cursor turns into an hourglass - again good. But the postback doesn't happen - not good. I assume that the ASP client code is trying to preventing the postback when it sees that the link is disabled.

So, how can I either:

Persuade the LinkButton to postback even though it has just been disabled; or[probably better] Get my client code to execute immediately after the postback code rather than before.

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Avascript Onclick _dopostback In MVC Not Posting Back?

Jul 23, 2010

I'm using ASP.NET MVC to try to postback after confirmation using javascript, this is the button:

<input type="submit" id ="RemoveStatus" value="Remove Status" name="button" onclick="return CheckRemove();"/>

This is my javascript in my CheckRemove() js function:

var button1 = document.getElementById("RemoveStatus");
if (confirm("Are you sure you want to remove status?") == true)
{
button1.disabled = true;
button1.value = "Removing status...";
__doPostBack('RemoveStatus', '');
return true;
}
else
{
return false;
}

But for some reason I get an object expected error at the __doPostBack bit, I've clearly set the id, button1 gets populated too in debug, i'v tried passing button1.id and button1 too into the __doPostBack call but it wont postback and keeps saying object expected.

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C# - .NET: Button In User Control Not Posting Back?

Apr 23, 2010

I have a simple user control with this code:

<%@ Control Language="C#" AutoEventWireup="true" CodeFile="Pager.ascx.cs" Inherits="Pager" %>
<table style="width: 100%;">
<tr>[code]....

As you can see, the 2 buttons are wired to click events, which are defined correctly in the code-behind.Now, here is how I include an instance of the control on my page:

<uc:Pager ID="Pager1" runat="server" TotalRecords="100" DisplayItemsPerPage="true"
ItemsPerPageChoices="10,25,50,100" ItemsPerPageFormatString="Sessions/Page: {0}"
PageSize="25" OnPageChanged="PageChanged" OnPageSizeChanged="PageChanged" />

I noticed though, that the 2 buttons in my user control weren't causing a post back when clicked. The drop down list does cause postback, though. Here is the rendered HTML:

<table style="width: 100%;">
<tr>
<td id="ctl00_MainContent_Pager1_PageControls" align="left">[code]....

And, as you can see, there is no onclick attribute being rendered in the button's input elements. Why not?

EDIT,Ronnie, why are you so dumb??? <input type="submit" /> doesn't use javascript to post a form!

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JQuery Load And Datalist Linkbutton Not Posting Back

Feb 8, 2011

I am loading an aspx page into a div using jquery.load(). The aspx page loaded into the div has a datalist. Each datalist item has a linkbutton. My problem is that the linkbutton is not causing a postback though. Strangely, if I change the linkbutton to a button, it does postback. Also, when loading the page normally (not from a jquery.load event), the linkbutton performs correctly. What is it that causes the linkbutton to not cause a postback when loaded this way? And is there a better way to handle this?

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Option - Retain Dropdown Value Page Posting Back To Itself C#?

Jun 15, 2010

I have an aspx page that has...

if (!IsPostBack)
{
PopulateBrand();

in the Page_Load. This PopulateBrand() simply populates my drop down. That works great and on post back it retains the value.

The problem I'm having is that there is also a link on the page that is posting back some parameters to this page. What is happening is that when this is clicked it's falling through this !IsPostBack section and wiping out my drop down values that I had selected and repopulating it.

How can I prevent this and just retain what I selected when this page is posting back to itself when the link is clicked?

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