Dear All,
I get these set of errors each time I create and compile a new Razor Page in a web application project as follows:
Severity Code Description Project File Line Suppression State
Error CS0234 The type or namespace name 'IO' does not exist in the namespace 'WebApplication2.Pages.System' (are you missing an assembly reference?) WebApplication2 C:\projects\WebApplication2\WebApplication2\Pages\Account\Manage\ManageNavPages.cs 30 Active
Severity Code Description Project File Line Suppression State
Error CS0234 The type or namespace name 'Collections' does not exist in the namespace 'WebApplication2.Pages.System' (are you missing an assembly reference?) WebApplication2 C:\projects\WebApplication2\WebApplication2\Pages\System\Index.cshtml 1 Active
Severity Code Description Project File Line Suppression State
Error CS0234 The type or namespace name 'Linq' does not exist in the namespace 'WebApplication2.Pages.System' (are you missing an assembly reference?) WebApplication2 C:\projects\WebApplication2\WebApplication2\Pages\System\Index.cshtml 1 Active
Severity Code Description Project File Line Suppression State
Error CS0234 The type or namespace name 'Threading' does not exist in the namespace 'WebApplication2.Pages.System' (are you missing an assembly reference?) WebApplication2 C:\projects\WebApplication2\WebApplication2\Pages\System\Index.cshtml 1 Active
Severity Code Description Project File Line Suppression State
Error CS0234 The type or namespace name 'Object' does not exist in the namespace 'WebApplication2.Pages.System' (are you missing an assembly reference?) WebApplication2 C:\projects\WebApplication2\WebApplication2\Pages\System\Index.cshtml 1 Active
Severity Code Description Project File Line Suppression State
Error CS0234 The type or namespace name 'Collections' does not exist in the namespace 'WebApplication2.Pages.System' (are you missing an assembly reference?) WebApplication2 C:\projects\WebApplication2\WebApplication2\Pages\System\Index.cshtml 1 Active
Severity Code Description Project File Line Suppression State
Error CS0234 The type or namespace name 'Linq' does not exist in the namespace 'WebApplication2.Pages.System' (are you missing an assembly reference?) WebApplication2 C:\projects\WebApplication2\WebApplication2\Pages\System\Index.cshtml 1 Active
Severity Code Description Project File Line Suppression State
Error CS0234 The type or namespace name 'Threading' does not exist in the namespace 'WebApplication2.Pages.System' (are you missing an assembly reference?) WebApplication2 C:\projects\WebApplication2\WebApplication2\Pages\System\Index.cshtml 1 Active
Severity Code Description Project File Line Suppression State
Error CS0234 The type or namespace name 'Action' does not exist in the namespace 'WebApplication2.Pages.System' (are you missing an assembly reference?) WebApplication2 C:\projects\WebApplication2\WebApplication2\Pages\System\Index.cshtml 1 Active
How can I fix this error?
Regards