Converted an existing VS2008 web application over to VS2010 with no conversion errors/issues. Site was kept at .Net 2.0. Site runs fine in all respects, but there is a problem editing .aspx files.If we edit one of the files (say add a new <asp:Panel> to it), the designer.cs file is regenerated to reflect the page. Problem is, we see the new variable for the panel, but most of the already existing controls are now removed and un-declared. This happens on most pages, and we have not narrowed down why. But we believe the parser throws an error and skips a large portion of the .aspx file when generating the properties for page controls.This has been verified by another post on the web (but not in any bug report that I could find).
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