Questions tagged [eventvalidation]
43 questions
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Facing issues in __eventvalidation and __viewstate in jmeter
i have a scenario, as given below
once the user navigating to planning page and
clicks on a menu,
it will open the lists of recipes in week wise.
if the users wants to add a recipe for a particular, it has an option to click on '+', which will open…
0
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1 answer
Invalid postback or callback argument. Event validation requires unnecessary "using System.Web.UI"
I have a page with a bunch of text inputs, dropdowns, and buttons. All manipulation of the inputs is done server side. Javascript only adds event listeners which manipulate the contents of the text inputs.
When I remove the unnecessary…

Matt
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When 'ViewState' of a form is changed?
There are to hidden fields on every standard ASP.NET form: __VIEWSTATE and __EVENTVALIDATION. When the value for these fields would change for a specific form ?

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

user3675062
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getting "Invalid postback or callback argument" error when click on the Image button
In my application, I have videos with an image. When I click on any video, it is showing this message:
Invalid postback or callback argument. Event validation is enabled
using in configuration or <%@
Page EnableEventValidation="true" %> in a…

Surya sasidhar
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Page Event Validation failure happens in one environment, but not the other
I am getting a rather standard event validation error under a particular set of steps with our web app:
Application_Error intercepted exception: Exception of type 'System.Web.HttpUnhandledException' was thrown.
System.Web.HttpUnhandledException:…

tmesser
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Event of controls on othe page not being fired and gives error
This is How I loadan aspx page in a div