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System. InvalidCastException: Unable to cast object of type SqlDataProvider to type DataProvider

Source: Internet
Author: User
Tags dotnetnuke
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DotNetNuke. Services. Exceptions. ModuleLoadException:
The type initializer
'M2land. Modules. FlashImageRotator. DataProvider 'threw an exception.
---> System. TypeInitializationException: The type initializer
'M2land. Modules. FlashImageRotator. DataProvider 'threw an exception.
---> System. InvalidCastException: Unable to cast object of type
'M2land. Modules. FlashImageRotator. sqldataprovider' to type
'M2land. Modules. FlashImageRotator. dataprovider'.
M2Land. Modules. FlashImageRotator. DataProvider. CreateProvider () in
E: "Development" DotNetNuke "InstallArea" DotNetNuke_04.08.03_Source "Website" DesktopModules "M2Land. FlashImageRotator" Provider "DataProvider" SqlDataProvider "DataProvider. cs line
55 at M2Land. Modules. FlashImageRotator. DataProvider .. cctor () in
E: "Development" DotNetNuke "InstallArea" DotNetNuke_04.08.03_Source "Website" DesktopModules "M2Land. FlashImageRotator" Provider "DataProvider" SqlDataProvider "DataProvider. cs line
49 --- End of inner exception stack trace ---
M2Land. Modules. FlashImageRotator. DataProvider. Instance ()
M2Land. Modules. FlashImageRotator. FlashImageRotatorController. GetFlashImageRotator (Int32
ModuleId) in
E: "Development" DotNetNuke "InstallArea" using "Website" using topmodules "M2Land. FlashImageRotator" Provider "DataProvider" SqlDataProvider "FlashImageShowController. cs: line
111
M2Land. Modules. FlashImageRotator. EditFlashImageRotator. Page_Load (Object
Sender, EventArgs e) in
E: "Development" DotNetNuke "InstallArea" DotNetNuke_04.08.03_Source "Website" shorttopmodules "M2Land. FlashImageRotator" EditFlashImageRotator. ascx. cs: line
68 --- End of inner exception stack trace ---

The reason is that this project was migrated from StartKit. In App_Code, there are DataProvider and SqlDataProvider files with the same name, so the type obtained during reflection does not match.

Delete the DataProvider and SqlDataProvider files in App_Code to solve the problem.

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