public ActionResult Upload(HttpPostedFileBase imageUpload)
        {
            if (imageUpload != null)
            {
                if (imageUpload.ContentLength <= 0 || imageUpload.ContentLength > (4 * 1024 * 1024))
                {
                    TempData["Msg"] = "File size is not valid.";
                    return(RedirectToAction("Upload"));
                }
                if (!string.Equals(imageUpload.ContentType, "image/jpg", StringComparison.OrdinalIgnoreCase) &&
                    !string.Equals(imageUpload.ContentType, "image/jpeg", StringComparison.OrdinalIgnoreCase) &&
                    !string.Equals(imageUpload.ContentType, "image/png", StringComparison.OrdinalIgnoreCase))
                {
                    TempData["Msg"] = "File format is not valid.";
                    return(RedirectToAction("Upload"));
                }

                CloudBlobContainer blobContainer = BlobStorageService.GetCloudBlobContainer();
                CloudBlockBlob     blob          = blobContainer.GetBlockBlobReference(imageUpload.FileName);
                blob.UploadFromStream(imageUpload.InputStream);
            }
            else
            {
                TempData["Msg"] = "No file is selected.";
            }
            return(RedirectToAction("Upload"));
        }
        public ActionResult Upload()
        {
            CloudBlobContainer blobContainer = BlobStorageService.GetCloudBlobContainer();
            List <string>      blobs         = new List <string>();

            blobContainer.ListBlobs().ToList().ForEach(s => blobs.Add(s.Uri.ToString()));
            return(View(blobs));
        }
        public ActionResult Delete(string imageName)
        {
            Uri                uri           = new Uri(imageName);
            string             fileName      = Path.GetFileName(uri.LocalPath);
            CloudBlobContainer blobContainer = BlobStorageService.GetCloudBlobContainer();
            CloudBlockBlob     blob          = blobContainer.GetBlockBlobReference(fileName);

            blob.Delete();
            TempData["Msg"] = "File " + fileName + " is deleted";
            return(RedirectToAction("Upload"));
        }