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Sep 09, 2011 07:48 AM|LINK
You should read my first post, depending on how many images you have/ trying to display, the handler will hit the webserver x amount of time. the application error follows on your design.Can you ue fiddler or charles to see what is going on?
You shouldn't expect any kind of error from your software, if you get one then go back to design.
The control you are refering to, I have tried it and found it not useful(in my situation).
There is a niece chapter about handler on msdn, I think you should give it a try.
It is so hard for me to give you any insight as to why something is happening without anycode/ the purpose of your software, if you want me to help you more please post your code here.