c:\Users\uriel\Documents\My Web Sites\EFExample\App_Code\Book.cs(10,10): error CS0246: The type or namespace name 'MaxLength' could not be found (are you missing a using directive or an assembly reference?)
c:\Users\uriel\Documents\My Web Sites\EFExample\App_Code\Book.cs(10,10): error CS0433: The type 'System.ComponentModel.DataAnnotations.MaxLengthAttribute' exists in both 'c:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.ComponentModel.DataAnnotations\v4.0_4.0.0.0__31bf3856ad364e35\System.ComponentModel.DataAnnotations.dll' and 'c:\Users\uriel\AppData\Local\Temp\Temporary ASP.NET Files\root\6b6babf7\b4f0b81d\assembly\dl3\a0b6404e\21be0fe6_efd7cd01\EntityFramework.DLL'
c:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.ComponentModel.DataAnnotations\v4.0_4.0.0.0__31bf3856ad364e35\System.ComponentModel.DataAnnotations.dll: (Location of symbol related to previous error)
c:\Users\uriel\AppData\Local\Temp\Temporary ASP.NET Files\root\6b6babf7\b4f0b81d\assembly\dl3\a0b6404e\21be0fe6_efd7cd01\EntityFramework.DLL: (Location of symbol related to previous error)
c:\Users\uriel\Documents\My Web Sites\EFExample\App_Code\Book.cs(11,10): error CS0246: The type or namespace name 'MaxLength' could not be found (are you missing a using directive or an assembly reference?)
c:\Users\uriel\Documents\My Web Sites\EFExample\App_Code\Book.cs(11,10): error CS0433: The type 'System.ComponentModel.DataAnnotations.MaxLengthAttribute' exists in both 'c:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.ComponentModel.DataAnnotations\v4.0_4.0.0.0__31bf3856ad364e35\System.ComponentModel.DataAnnotations.dll' and 'c:\Users\uriel\AppData\Local\Temp\Temporary ASP.NET Files\root\6b6babf7\b4f0b81d\assembly\dl3\a0b6404e\21be0fe6_efd7cd01\EntityFramework.DLL'
c:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.ComponentModel.DataAnnotations\v4.0_4.0.0.0__31bf3856ad364e35\System.ComponentModel.DataAnnotations.dll: (Location of symbol related to previous error)
c:\Users\uriel\AppData\Local\Temp\Temporary ASP.NET Files\root\6b6babf7\b4f0b81d\assembly\dl3\a0b6404e\21be0fe6_efd7cd01\EntityFramework.DLL: (Location of symbol related to previous error)