I have an aspx page where I have a gridview control and some comboboxes from the AjaxControlToolKit. I have the comboboxes distributed in two different templates inside the grid (EditItemTemplate and FooterTemplate). I have the grid under an UpdatePanel control to avoid the flicking of the page during a postback. I also have an UpdatePanelAnimationExtender control that links my gridview with an animation effect that triggers anytime that there is a postback. What the animation is doing is giving the user a fade in fade out effect during the postbacks. My comboboxes are set to autopostback, so whenever I select or enter new information and click out of the combobox, a postback is initiated and the animation effect occurs.
The problem is that I am getting the error "HTMLFile: Member not found. " and I can't figure out what is causing this. The only way I dont get the error is if I comment out the UpdatePanelAnimationExtender block, but I dont want to do that because I need to give the user some idea of postback occurence.
Does anybody have a word of wisdom her :)
Any comment or suggestion would be greatly appreciated.
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