problem phenomenon:. Net--win7 IIS Unique key property "VALUE" is set to "default." ASPX, you cannot add a repeating collection of type ' add '
Problem Handling:Content Summary:HTTP Error 500.19-internal Server error cannot access the requested page because the associated configuration data for the page is invalid. Error SummaryHTTP Error 500.19-internal Server error cannot access the requested page because the associated configuration data for the page is invalid. detailed error message moduledefaultdocumentmodule Notification Executerequesthandler handler staticfile error code 0x800700b7 configuration error in unique key attribute Duplicate * * Item profile with type ' add ' cannot be added when ' value ' is set to ' Default.aspx ' \\*******\web\web.configCause of errorThe default document for Default.aspx has been set in IIS, when ASP. NET gets another add of the same value throws an exception. Treatment ScenariosOpen the configuration file, Web. config with Notepad, and then add <clear/> before <add/>. This approach applies to any. NET configuration that could generate inheritance confusion.
Problem. Net--win7 IIS Unique key property "VALUE" is set to "default." ASPX, you cannot add a repeating collection of type ' add '