& tags at bottom. I will suggest to disble the postback before the form is fully loaded itself. Exception Details: System.ArgumentException: Invalid postback or callback argument.
Event validation is enabled using
Rate this: Please Sign up or sign in to vote. Cheers Stuart anil2082 Jan 09, 2008 at10:42PM I had the same problem... Do you want to know when a feature you care about is added or when a bug fixed? Would you like to answer one of these unanswered questions instead?
Any information on your scenario may be of help on resolving that. Remove the carriage return line feeds and all works fine. This was working. RSS reddit Tweet 1 2 next qwert231 MKenyon Jan 31, 2006 at10:08AM I get this on a button postback: Invalid postback or callback argument.
I think if you can change your button to other controls like "LinkButton" in other cases, it would work properly. My Pluralsight Courses OdeToCode by K. Will Monero CPU mining always be feasible? Your Email This email is in use.
Solution 2 Accept Solution Reject Solution Hi, Click here[^] Permalink Posted 4-Jan-12 1:53am srinivas vadepally4.2K Comments Afnan_ 4-Jan-12 8:17am Hello, Thank you ,but I already have checked this site But with the “Visible” property set to FALSE, the control is not rendered and therefore control is not registered for EventValidation by ASP.NET 2.0. Thanks! I got the same Invalid postback or callback argument error when clicking on the Export to Excel button(a standard feature of the RadGrid).
Contributor 3360 Points 986 Posts Re: Invalid postback or callback argument. Event validation is enabled using
After doing some searching and general messing about I found that if I run a slowdown proxy (NetLimiter or similar) and simulate a dialup connection, I can make the error happen. Sorted!!! Try in Page_Load to register your controls async: ScriptManager sm = ScriptManager.GetCurrent(this.Page); sm.RegisterAsyncPostBackControl(YourButton); and then refresh your update panel programmatically: updatePanel.Refresh(); 3. You got an number of options (listed below): Disable eventvalidation (bad idea, because you lose a little of security that come with very little cost).
Stack Trace: [ArgumentException: Invalid postback or callback argument. Scott Allen Subscribe Twitter Search About Tweets about "odetocode" The Podcast! (c) OdeToCode LLC 2004 - 2016 Später erinnern Jetzt lesen Datenschutzhinweis für YouTube, ein Google-Unternehmen Navigation überspringen DEHochladenAnmeldenSuchen Wird