Hotfix for “Issue with Auto-Generated Designer Files not Adding Controls”

Web Development Tools Microsoft

A hotfix is now available for issues most commonly described as “Controls are not being recognized in the code-behind” and “Editing existing .aspx regenerates .aspx.designer.(cs), but most of the controls are now missing”. These issues were seen in Visual Studio 2010 RC release.

This hotfix can be downloaded from:

The update addresses the following Connect bugs:

If you continue to experience these types of issues after applying this fix; please let us know immediately.  You can send these issues directly to the Web Development Tools team via a DL we have setup for direct feedback on anything web development related for this RC.  The DL is:

We hope this helps,
– Mayuri Diwan and Nichole Baker
– Web Development Tools


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