It’s a typo:
 Regel 29:     using aline1617.Models.AccountModel;
should be
 Regel 29:     using alina1617.Models.AccountModel;
alina instead of aline.
2
solved The type or namespace name could not be found, but it’s in the project [closed]
 
It’s a typo:
 Regel 29:     using aline1617.Models.AccountModel;
should be
 Regel 29:     using alina1617.Models.AccountModel;
alina instead of aline.
2
solved The type or namespace name could not be found, but it’s in the project [closed]