The type name 'initialuserdb' only contains lower-cased ascii characters. Such names may become reserved for the language.

The type name 'initialuserdb' only contains lower-cased ascii characters. Such names may become reserved for the language.

The type name 'initial' only contains lower-cased ascii characters. Such names may become reserved for the language.

The type name 'initial' only contains lower-cased ascii characters. Such names may become reserved for the language.

Possible null reference argument for parameter 'username' in 'Task<int> IVoteService.UpVote(int postId, string username)'.

Possible null reference argument for parameter 'username' in 'Task<int> IVoteService.DownVote(int postId, string username)'.

This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.

Possible null reference argument for parameter 'imgs' in 'Task IImgService.DeleteImgFromDropBox(List<Img> imgs)'.

This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.