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Questions tagged [postback]

A postback is a technique in web development in which a page sends an HTTP POST back to the same form on the server.

The term postback has two meanings depending on the context, one in relation to web development, and one in relation to open-source software.

In the context of web development, a postback is a page sending an HTTP POST back to the same form on the server.

In the context of open source software, the term "postback" is often used to describe making your changes available in source code form. Questions that would use this meaning of the tag are generally off-topic on Stack Overflow.

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Invalid postback or callback argument

This question seems to have been asked before, but I feel like my situation is slightly different. I have a page that contains a gridview. When a button is pressed to edit one of the records in the gridview, the button first executes some client…
matthew_360
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ASP.NET Classic don't create button postback with default options of WebForm_PostBackOptions

I have don't understand what going wrong. I have ASP:BUTTON And have event to processing postback protected void…
Alex
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How to stop ASP.NET postback (return false, e.stopPropagation, e.cancelBubble) don't working

I can not stop ASP.NET postback in any case. Any known method (as return false, stopPropagation, cancelBubble) don't working. My code:
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Alex
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Freeze all in page with jquery when user fire click

I have an gridview with with one autopostback checkbox inside one template field column, i need the autopostback to count, to validate and to sync the model in server side then cant turn off autopostback. I cant use ajax because its a project…
jkfols
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using javascript on button onclick event in repeater causing full postback in updatepanel

I have tested buttons inside the repeater in the update panel. If you add asyncpostback for buttons you're getting an error. Button couldn't be found. Well, I am using two linkbutton inside repeater. i added javascript code on…
Çağatay Toksözoğlu
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How do I add an unbound checkbox column to my ASP.NET GridView?

.NET v3.5 I have what seems to be some simple code that I've gotten to work before: TableCell cell = new TableCell(); CheckBox c = new CheckBox(); c.AutoPostBack = true; c.ID = string.Format( "cb_{0}", row.RowIndex ); // "row" is a…
IAmAN00B
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ASP.NET Accessing AJAX created controls on postBack

I am generating 2 dropdown boxes and a CheckBoxList control at runtime using AJAX callbacks to a web service (.asmx file). The service creates the two Dropdowns and CheckBoxList on the server and returns the rendered html as a string which is…
SausageFingers
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aspx .net only processing first postback until reload project in visual studio

I'm working on an old aspx site in .NET Framework 4.0, and using Microsoft Visual Studio Community 2019 Version 16.4.4. The Developer Web Server settings are: Always Start when Debugging: False Anonymous Authentication: Enabled Managed Pipeline…
Joseph Turner
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ASP.NET Variable issues

I have some terribly written ASP.NET code that is just not working right (go figure). I'm charged with maintaining and bug fixing this code, but I can barely make head or high water of it Unfortunately I don't have the time to rewrite it. If someone…
matthewdunnam
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Control caused the post back

I have a form that contains a dropdownlist, on index changed method,i will call my user control class .cs with parameters choosen by the user, when im putting my code inside the index changed like the code below, it doesnt work, which is a normal…
Grace
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How to persists button command argument?

I have a repeater with asp textbox and asp buttons. The user will enter a value to the textbox and click the button to process. OnClick event (let say rptrButton), I will validate the textbox value and if that value needs additional validation i…
sd4ksb
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passing FormCollection to controller via JQuery Post method and getting data back...

I am having a slight issue sending formCollection data to my controller action method in MVC using jQuery .Post method. While I am sending the data via jQuery, it is not in the formCollection parameter of my action controller, well let me be more…
SoftwareSavant
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A Partial Post Back causes the Full Post Back buttons to act as Partial Post Back, why?

I have a RadGrid control which is created dynamically on page_init and added to a placeholder which is inside an updatePanel on the page. I'd need to add a new Button to the CommandItem section of the RadGrid. The button has to support full…
The Light
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Serialize and Reload Dynamic Controls

I understand the "why" controls vanish on postback, and up until now I have had great success just creating what I need to do dynamically in page init. However this fell apart for me when I had to add some controls to a asp.net page based on the…
Brad M
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Webforms Refresh problem

This is probably a simple question for every WebForms developer but I am knew to this scene. I have a page that has an "ADD" button on it that results in a jquery popup where the user can submit a form that will add an entry to the repeater on the…
esastincy
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