public HttpResponseMessage GetFile(int fileId)
        {
            //Create HTTP Response.
            HttpResponseMessage response = Request.CreateResponse(HttpStatusCode.OK);

            //Fetch the File data from Database.
            //FilesEntities entities = new FilesEntities();
            AssignmentManagementSystemEntities _db = new AssignmentManagementSystemEntities();

            tblfile file = _db.tblfiles.ToList().Find(p => p.id == fileId);

            //Set the Response Content.
            response.Content = new ByteArrayContent(file.Data);

            //Set the Response Content Length.
            response.Content.Headers.ContentLength = file.Data.LongLength;

            //Set the Content Disposition Header Value and FileName.
            //response.Content.Headers.ContentDisposition = new ContentDispositionHeaderValue("attachment");
            //response.Content.Headers.ContentDisposition.FileName = file.Name;
            response.Content.Headers.ContentDisposition = new System.Net.Http.Headers.ContentDispositionHeaderValue("inline");


            //Set the File Content Type.
            response.Content.Headers.ContentType = new MediaTypeHeaderValue(file.ContentType);
            // response.Content.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue("application/msword");
            //response.Content.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue("images/jpeg");
            //response.Content.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue("application/vnd.openxmlformats-officedocument.wordprocessingml.document");

            return(response);
        }
        public HttpResponseMessage SaveFile()
        {
            //Create HTTP Response.
            HttpResponseMessage response = Request.CreateResponse(HttpStatusCode.OK);

            //Check if Request contains File.
            if (HttpContext.Current.Request.Files.Count == 0)
            {
                throw new HttpResponseException(HttpStatusCode.UnsupportedMediaType);
            }

            //Read the File data from Request.Form collection.
            HttpPostedFile postedFile = HttpContext.Current.Request.Files[0];

            //Convert the File data to Byte Array.
            byte[] bytes;
            using (BinaryReader br = new BinaryReader(postedFile.InputStream))
            {
                bytes = br.ReadBytes(postedFile.ContentLength);
            }

            //Insert the File to Database Table.
            AssignmentManagementSystemEntities _db = new AssignmentManagementSystemEntities();

            tblfile file = new tblfile
            {
                Name        = Path.GetFileName(postedFile.FileName),
                ContentType = postedFile.ContentType,
                Data        = bytes
            };

            _db.tblfiles.Add(file);
            _db.SaveChanges();

            return(Request.CreateResponse(HttpStatusCode.OK, new { id = file.id, Name = file.Name }));
        }