#warning: 'To protect potentially sensitive information in your connection string, you should move it out of source code. You can avoid scaffolding the connection string by using the Name= syntax to read it from configuration - see https://go.microsoft.com/fwlink/?linkid=2131148. For more guidance on storing connection strings, see https://go.microsoft.com/fwlink/?LinkId=723263.'

Dereference of a possibly null reference.

Nullable value type may be null.

Dereference of a possibly null reference.

Possible null reference assignment.

Dereference of a possibly null reference.

Non-nullable field 'context' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

#warning: 'To protect potentially sensitive information in your connection string, you should move it out of source code. You can avoid scaffolding the connection string by using the Name= syntax to read it from configuration - see https://go.microsoft.com/fwlink/?linkid=2131148. For more guidance on storing connection strings, see https://go.microsoft.com/fwlink/?LinkId=723263.'

Dereference of a possibly null reference.