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• __PREVIOUSPAGE exploit?

  I have recently started receiving what I believe to be malicious requests, apparently attempting to modify the __PREVIOUSPAGE hidden input that is on my form because of the use of a PostBackUrl on a Button control. Is this a known exploit that I need to take steps to deter? The error information is: Error: Invalid character in a Base-64 string. Stack Trace: at System.Convert.FromBase64CharArray(Char[] inArray, Int32 offset, Int32 length) at System.Web.HttpServerUtility.UrlTokenDecode(String input

  Posted to Security (Forum) by pcoulter on 6/15/2009
  Filed under: Postback Security

• Re: $addHandler args

  Is there some way to populate some values in the Sys.UI.DomEvent that gets passed as the argument? I'm currently using the Yahoo library to add and remove handlers. In its implementation, any parameters that I pass in the addHandler equivalent beyond the function name are passed to the function as arguments: ~addHandler(element, "event", HandlerFunction, arg1, arg2, arg3...) I'd like to switch completely to ASPAJAX, and this is the only thing standing in the way. Does anyone know of a trick or workaround

  Posted to ASP.NET AJAX UI (Forum) by pcoulter on 12/5/2006

• $addHandler args

  How do I pass arguments to my client side DOMEvent handler using $addHandler? Is that possible with the most recent release? Thanks, Pete

  Posted to ASP.NET AJAX UI (Forum) by pcoulter on 12/5/2006

• Re: Cancelling A WebService Call

  I stepped through and realized that it was choking on the JsonSerialization, because I had passed it a dropdown list instead of the selected value in that list. Works great now!

  Posted to ASP.NET AJAX Networking and Web Services (Forum) by pcoulter on 7/6/2006

• Re: Cancelling A WebService Call

  Jesus, thanks for the tip. I've finally gotten some free time to try this out. I'm running into some sort of problem when invoking my web service this way. Is there some sort of documentation that tells what parameters are available on the serviceMethod node in the xml? I'd like to add an onError event handler to see if I can get any feedback on what's happening. Thanks, Pete

  Posted to ASP.NET AJAX Networking and Web Services (Forum) by pcoulter on 7/5/2006

• Fruits of my Atlas Labor

  I want to thank everyone who answered all of my Atlas questions over the last couple of months. I thought I'd share with you where all those answers ended up. I launched www.showtimemaps.com in beta over the weekend. Check it out, and feel free to submit feedback on it over at that site. Thanks again, Pete

  Posted to ASP.NET AJAX Discussion and Suggestions (Forum) by pcoulter on 6/19/2006

• Cancelling A WebService Call

  If I call a web service method via a remote method call using Atlas, like so: Samples.AspNet.HelloWorldService.HelloWorld(SrchElem.value, OnRequestComplete); Is there a way to cancel it on the client? Basically, my method could take a couple seconds, and if someone initiates the call a second time, I'd like to cancel the first call, and then make the second call. Any ideas? Thanks, Pete

  Posted to ASP.NET AJAX Networking and Web Services (Forum) by pcoulter on 6/9/2006

• Scope of 'this'

  I would like to be able to attach an event handler to an element. Then, from within that handler get a reference to the element the event is actually attached to, not necessarily the element that fired the event. For instance, if I have the following html: < div id= "outer" >< div id= "inner" >Inner Text</ div ></ div > Then I attach an event like so: $('outer').attachEvent("onmouseover", handler); Inside handler, 'this' refers to the window, and event.srcElement is the inner

  Posted to ASP.NET AJAX UI (Forum) by pcoulter on 5/22/2006

• Re: XPathBridgeTransformer Continued

  Sorry, this reveals what a novice I am with XPath. I was equating Node with XmlElement. My big problem came from trying to qualify the attribute with the namespace, but that ended up not being necessary. Here's what I ended up doing: < transform type= "Microsoft.Web.Services.XPathBridgeTransformer" > < data > < attribute name= "selector" value= "yn:Result" /> < dictionary name= "namespaceMapping" > < item name= "yn" value= "urn:yahoo:maps" /> </ dictionary > <

  Posted to ASP.NET AJAX Networking and Web Services (Forum) by pcoulter on 5/15/2006

• Re: XPathBridgeTransformer Continued

  If it's only calling SelectNodes and SelectSingleNode (+innerText), wouldn't it be safe to say that the XPathBridgeTransformer can't transform attributes? Thanks, Pete

  Posted to ASP.NET AJAX Networking and Web Services (Forum) by pcoulter on 5/15/2006