Web Forms :: Page Not Updating?

Mar 10, 2010

no idea whats going on and cannot figure it out.I have a ASPX page, which inherits from the masterpageI have 3 div's. in each div, there is a usercontrolI can toggle the visibility just fine for the divs.problem is, (this is like a checkout process/page) when the first usercontrol has been "completed", the main page will hide that div, and make the 2nd div visible. when user completes the 2nd user control action, it should then set the visibility of the usercontrol/div to false and show the 3rd onebut this doesnt do it! it works fine for the first user control, but not the 2nd! any ideas? the code is very simple, just setting the visible property to true or false. that is all.

AJAX/Updatepanel is used on the 2nd user control for doing some async postbacks in that control but dont understand why setting the visibility of the control on the main page should affect it?Pressing the "next" button AGAIN on the 2nd user control that is showing throws a runtime exception about the nableEventValidation (invalid postback)

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