Error(s):

(18:9) A namespace cannot directly contain members such as fields or methods
(18:13) Identifier expected
(18:14) Expected class, delegate, enum, interface, or struct
(18:27) Expected class, delegate, enum, interface, or struct
(18:31) Identifier expected
(19:25) Expected class, delegate, enum, interface, or struct
(22:27) Expected class, delegate, enum, interface, or struct
(24:13) A namespace cannot directly contain members such as fields or methods
(24:43) Expected class, delegate, enum, interface, or struct