eventvalidation

ASP.NET Master Page: Event Validation Error

由 十年热恋 提交于 2019-12-25 02:29:59
问题 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. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the

ASP.Net CascadingDropDown and EnableEventValidation=“false”

由 断了今生、忘了曾经 提交于 2019-12-23 18:11:32
问题 I have just got a CascadingDropDown from the AJAX Toolkit working with SelectedIndexChanged to redirect to a page passing a querystring of the selected value. I'm well chuffed! However, I only got the SelectedIndexChanged event working by adding EnableEventValidation="false" to the page. The problem is the CascadingDropDown will be placed in the MasterPage of my website as a product selector. I'm not keen on adding EnableEventValidation="false" to my MasterPage! I've looked at the

se the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation

由 你。 提交于 2019-12-22 05:13:38
问题 guys, I have a usercontrol in my asp.net 3.5 application and I am passing some plain text on button click event. button is situated in the usercontrol. but when I fire the event, I am getting the following error; Invalid postback or callback argument. Event validation is enabled using in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that

Disable EventValidation for single control, is it possible?

由 送分小仙女□ 提交于 2019-12-22 02:30:50
问题 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 around for this? I'm modifying a DropDownList, from the client side after it's rendered. 回答1: The short answer to your question is: No, there is no way to do this.

Disable EventValidation for single control, is it possible?

由 一世执手 提交于 2019-12-22 02:30:36
问题 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 around for this? I'm modifying a DropDownList, from the client side after it's rendered. 回答1: The short answer to your question is: No, there is no way to do this.

Could not handle View/state and Event validation in Jmeter Load testing

由 混江龙づ霸主 提交于 2019-12-13 06:18:25
问题 I am currently load testing a .Net web application. In which scenario is like, user will login and will do certain steps of navigation then he/she will fill one evaluation form, submit it and then logout from the application. So for this scenario there are many GET and POST request are there. And as its a .Net application server will do some authentication using view-State and _Event-Validation. But to handle that thing I am not sure from which request I need to fetch those 2 Parameter and

Access __VIEWSTATE & __EVENTVALIDATION in C#

由 ﹥＞﹥吖頭↗ 提交于 2019-12-11 01:51:10
问题 In ASP.NET, is it possible to get the values of __VIEWSTATE and __EVENTVALIDATION hidden fields into a variable in C# (server side) in, let's say, overriding the Render method? I have tried: protected override void Render(HtmlTextWriter writer) { StringBuilder stringBuilder = new StringBuilder(); StringWriter stringWriter = new StringWriter(stringBuilder); HtmlTextWriter htmlWriter = new HtmlTextWriter(stringWriter); base.Render(htmlWriter); string temp = stringBuilder.ToString(); } This

ASP.NET EventValidation fails when .NET 4.5 Framework is installed in only one server behind the load balancer

由 末鹿安然 提交于 2019-12-10 03:39:43
问题 We have installed .net 4.5 Framework in one of our web servers. Our applications are targeted for .net 4.0 and run off multiple servers behind a load balancer. After the installation we get the following error message for some POST requests error_name=System.ArgumentException error_message=Invalid postback or callback argument. Event validation is enabled using in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments

ListBox elements rearranged with JavaScript causing event validation error on postback

由 霸气de小男生 提交于 2019-12-06 04:21:08
问题 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 hiddenfield. On postback I simply read the GUIDs from the field. Everything works great but on postback, I get the following exception: Invalid postback or callback

se the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation

由 僤鯓⒐⒋嵵緔 提交于 2019-12-05 05:51:30
guys, I have a usercontrol in my asp.net 3.5 application and I am passing some plain text on button click event. button is situated in the usercontrol. but when I fire the event, I am getting the following error; Invalid postback or callback argument. Event validation is enabled using in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager
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