Cześć,
próbuję zainstalować bazę danych PostgreSQL. W C# chcę dołączyć plik Npgsql.dll i dołączam go w Solution Explorer. Jednak po dodaniu tego pliku i próbie wywołania jakiegokolwiek kodu powiązanego z tą biblioteką otrzymuje takie oto ostrzeżenia:
Warning 2 The predefined type 'System.Action' is defined in multiple assemblies in the global alias; using definition from 'c:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.0\Profile\Client\mscorlib.dll' QuickManager2
Warning 3 The predefined type 'System.Action' is defined in multiple assemblies in the global alias; using definition from 'c:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.0\Profile\Client\mscorlib.dll' QuickManager2
Warning 4 The predefined type 'System.Action' is defined in multiple assemblies in the global alias; using definition from 'c:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.0\Profile\Client\mscorlib.dll' QuickManager2
Warning 5 The predefined type 'System.Action' is defined in multiple assemblies in the global alias; using definition from 'c:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.0\Profile\Client\mscorlib.dll' QuickManager2
Warning 6 The predefined type 'System.Func' is defined in multiple assemblies in the global alias; using definition from 'c:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.0\Profile\Client\mscorlib.dll' QuickManager2
Warning 7 The predefined type 'System.Func' is defined in multiple assemblies in the global alias; using definition from 'c:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.0\Profile\Client\mscorlib.dll' QuickManager2
Warning 8 The predefined type 'System.Func' is defined in multiple assemblies in the global alias; using definition from 'c:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.0\Profile\Client\mscorlib.dll' QuickManager2
Warning 9 The predefined type 'System.Func' is defined in multiple assemblies in the global alias; using definition from 'c:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.0\Profile\Client\mscorlib.dll' QuickManager2
Warning 10 The predefined type 'System.Func' is defined in multiple assemblies in the global alias; using definition from 'c:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.0\Profile\Client\mscorlib.dll' QuickManager2
Warning 1 The predefined type 'System.Runtime.CompilerServices.ExtensionAttribute' is defined in multiple assemblies in the global alias; using definition from 'c:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.0\Profile\Client\System.Core.dll' QuickManager2
Jak to naprawić i czym to jest spowodowane?