String was not recognized as a valid boolean

Markus Kolbeck
Markus' Blog
Published in
1 min readNov 2, 2012

I encountered an error in a SharePoint application page with
asp:DropDownList elements.
When changing the values of the drop-down list twice, the following error occured:
String was not recognized as a valid boolean
After installing SharePoint CU March 2012 the error was gone.

#sharepoint

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