I have created an item swapper control consisting in two listboxes and some buttons that allow me to swap items between the two lists. The swapping is done using javascript. I also move items up and down in the list. Basically when I move the items to the list box on the right I store the datakeys of the elements (GUIDs) in a hiddenfiel...
I have a page with some dynamically added buttons. If you click a button before the page has fully loaded, it throws the classic exception: Invalid postback or callback argument. Event validation is enabled using in configuration or in a page. For security purposes, this feature verifies that arguments to postback or ...
We're tired of getting exceptions regarding "Invalid postback or callback argument" in our web app. What scenario(s) causes this error? After talking to users, we've determined that one possible cause of this is when they click something that causes a postback, and then click something else before the initial postback completes. What ...
I am trying to use to use ClientScriptManager.RegisterForEventValidation to register a hidden field and value that I am adding with ClientScriptManager.RegisterHiddenField. I doing this during the Render event. I get no error, but ASP.NET 2.0 does not appear to be validating the field. I can change the value or delete the entire field...
Hi I included a repeater in my master page. The repeater has a button that I set its CommandArgument. However when I click the button I get the following exception: System.ArgumentException: Invalid postback or callback argument. Event validation is enabled using in configuration or <%@ Page EnableEventValidation="true" %> in a page....
I am having a problem with IE throwing an error when using update panels and forms. Everything works fine except I have a "Reset" Button that clears all the form fields using javascript and then should update the panel (with the blank search terms). Firefox doesn't have a problem with this, but IE is giving me a Invalid callback or pos...
I have a form that updates a gridview in an update panel via a search button. I also have a reset button that clears the form fields and updates the panel again (removing the search parameters). The problem is that the reset button throws an Event Validation Error (see details below) I have tried everything I can think of to fix this ...
I need to reset an ASP.NET form. I am trying to use document.aspnetForm.reset() but then whenever I try to do anything after that I get an event validation error. How can I reset my form without upsetting ASP.NET's Event Validation? I CANNOT turn off event validation. Thanks! ...
In my unhandled exception logging I see this error sporadically through the day on a given page. I don't have any controls that I create programmatically on the page or databind any buttons onto the page. In my logging I grab the current handler which is where I know the page from and the stacktrace however the stacktrace doesn't give a...
I know this is a very debated topic, and usually when you are thinking about this as a solution you might want to rethink your UI logic. I know I can pass validation using ClientScriptManager.RegisterForEventValidation. But, I'd really like to know. Is it possible to remove event validation for a single control? Is there a way work aro...
Hello, I really don't know how to start the title of my post, but i'll try my very best to give out my best explanation of the issue. Here it goes: I'm using jQuery tabs to open up multiple data. Each tab, when opened dynamically, loads up an iframe that contains another asp.net page and does what a normal page does. I open the tabs th...
We're running a fairly large site, and a lot of our visitors have started using their Android based cellphones to visit the site. However when they try to login, we get an Event Validation error: Invalid postback or callback argument. Event validation is enabled using in configuration or <%@ Page EnableEventValidation="true"...