public void Feeback(User user, string content)
 {
     if (user != null && !string.IsNullOrWhiteSpace(content))
     {
         var fb = new Feeback()
         {
             UserId   = user.Id,
             UserName = user.Username,
             Content  = content
         };
         _fRepository.Insert(fb);
     }
 }
 public void Feeback(User user, string content)
 {
     if (user != null && !string.IsNullOrWhiteSpace(content))
     {
         var fb = new Feeback()
         {
             UserId   = user.Id,
             UserName = user.Username,
             Content  = content
         };
         using (var db = new PortalDb())
         {
             db.Feebacks.Add(fb);
             db.SaveChanges();
         }
     }
 }