public ActionResult Create(Customer customer)
 {
     try
     {
         if (ModelState.IsValid)
         {
             var obj = new FileUploadHelper();
             var filename = obj.SaveImages();
             if (filename == obj.ErrorMessage)
             {
                 ModelState.AddModelError("ImageUpload Error", filename);
                 return View(customer);
             }
             customer.ImageUrl = filename;
             CustomerService.Add(customer);
             return RedirectToAction("Index");
         }
         else
         {
             return View(customer);
         }
     }
     catch(Exception ex)
     {
         ModelState.AddModelError("Error", ex.Message);
         return View(customer);
     }
 }
        public Customer Add(Customer objContactUs)
        {
            try
            {
                objContactUs = repository.Add(objContactUs);
                unitOfWork.Commit();
                return objContactUs;
            }
            catch (Exception)
            {

                throw;
            }
        }
 public Customer Update(Customer entity)
 {
     entity = repository.Update(entity);
     unitOfWork.Commit();
     return entity;
 }
 public void Delete(Customer entity)
 {
     repository.Delete(entity);
     unitOfWork.Commit();
 }