Can't believe such a cool method can actually become such a big pain!
I have been using PageMethods a lot and have experienced that sometime the call simply doesn't work. I used to clean the solution, rebuild, clear cache etc, but never tried to find the real reason behind it. Somehow they have been fair enough with me to perform when needed.
Today again I got stuck in a similar scenario and things started getting worse. After wasting a lot of time, a little google lead me to this article - posted around an year ago. I can't believe it's really normal to get such silly errors (more so because they are bundled with the product and not because of my silly code) and I used to think PageMethods hate only me. ;)
Well if you encounter this 'PageMethods - Missing or Not Behaving' issue, I highly recommend reading the article and all the comments which has a lot of different experiences recorded. If you have anything to add, to help us, please leave your comments here.
Another issue with PageMethods that I have recently encountered and still remains unresolved is - unnecessary postback after successful execution callback. I have a webpage in one of the applications which calls a PageMethod to validate some input. On successful execution, the callback method is called which displays the result in a label on the same page. The code works fine on my machine, Win XP, tested with IE 7.0 and FF 3.0, but the same page behaves differently on my friends machine, Win Vista, on IE 7.0. There it does am unnecessary post back after changing the label to result from callback method. I tried everything from putting "return false;" to a lot of different tricks, but no luck. Will debug it further, a little later, and will update here about the findings.
Hoping to find more about the mystery behind PageMethod's abnormal behavior.
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