ApiController could not be found

Question

Based on this video https://www.youtube.com/watch?v=IVvJX4CoLUY I have add the using System.Web; using System.Web.Http; but i still get the error state that apicontroller could no found, and so on, below picture is the error I face:

below is my code :

using System;
using System.Linq;
using System.Threading.Tasks;
using System.Web;
using System.Web.Http;
using System.Collections.Generic;


namespace UploadToServer.Server.Controllers
{
public class UploadsController : ApiController
{
    [Route("api/Files/Upload")]
    public async Task<string> Post()
    {
        try
        {
            var httpRequest = HttpContext.Current.Request;

            if (httpRequest.Files.Count > 0)
            {
                foreach (string file in httpRequest.Files)
                {
                    var postedFile = httpRequest.Files[file];

                    var fileName = postedFile.FileName.Split('\\').LastOrDefault().Split('/').LastOrDefault();

                    var filePath = HttpContext.Current.Server.MapPath("~/Uploads/" + fileName);

                    postedFile.SaveAs(filePath);

                    return "/Uploads/" + fileName;
                }
            }
        }
        catch (Exception exception)
        {
            return exception.Message;
        }

        return "no files";
    }
}

}

Anyone can share me ideas?

Answer 1

You are missing the references in your project for those libraries. As per svdoever you can add the package Microsoft.AspNet.WebApi through NuGet to fix this. For instructions on how to use NuGet, please click here