Using VS2010, I created an ASP.NET 4.0 web application and simply added a couple of menu items below the "Home" menu item in the master page that's created by the project wizard. I made no other changes - no code, no stylesheet changes.
If I run the app locally then everything is fine. I suspect because the local IIS is responsive enough for the problem not to occur.
If I deploy the app to a web host (discountasp.net) then I see the menu render vertically for less than a second before it renders correctly. If I refresh the page a few times then usually I can see the menu vertical flash but sometimes I can't, so there's some sort of timing consideration.
I'm using IE8. The problem doesn't seem to occur with either Firefox 3 or Chrome.
Have others seen this problem?
Any suggestions for a fix?
I can supply the zipped up project if anyone wants it.
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