//File Reader
function OnFileEditImageEntry(file) {
var reader = new FileReader();
reader.onloadend = function (evt) {
    var ImageBase64 = evt.target.result;
    return ImageBase64 ;
};
reader.readAsDataURL(file);
 }

 //WEB API//
public  IHttpActionResult UpdateUserDetails(userModel user)
 {

  try
    {
       if (user.ProfileImageBase64 != "" && user.userID !=0)
        {
          var UserProfilePicDataUrl = "";
           string ftpurl = "ftp://xxx.xxxxx.xxxx/";
           var username = "xxx";
           var password = "xxxxx";
            string UploadDirectory = "xxxx/xx";
             string FileName =ImageFileName;
             String uploadUrl = String.Format("{0}{1}/{2}", ftpurl, UploadDirectory,FileName);
                FtpWebRequest req = (FtpWebRequest)FtpWebRequest.Create(uploadUrl);
                req.Proxy = null;
                req.Method = WebRequestMethods.Ftp.UploadFile;
                req.Credentials = new NetworkCredential(username, password);
                req.EnableSsl = false;
                req.UseBinary = true;
                req.UsePassive = true;
                byte[] data =Convert.FromBase64String(user.ImageBase64);
                req.ContentLength = data.Length;
                Stream stream = req.GetRequestStream();
                stream.Write(data, 0, data.Length);
                stream.Close();
     }
      }
    }