public bool DeleteProduct(product product)
 {
     try
     {
         productImage productImageObj = context.productImages.Where(x => x.productId == product.productId).SingleOrDefault <productImage>();
         product      productObj      = (context.products.Where(x => x.productId == product.productId)).SingleOrDefault <product>();
         context.productImages.Remove(productImageObj);
         context.products.Remove(productObj);
         context.SaveChanges();
         return(true);
     }
     catch (Exception ex)
     {
         Console.WriteLine(ex.Message);
         throw;
     }
 }
 public bool AddImage(productImage productImage)
 {
     try
     {
         var obj = (context.productImages.Where(x => x.productId == productImage.productId)).SingleOrDefault();
         obj.productImage1 = productImage.productImage1;
         obj.productImage2 = productImage.productImage2;
         obj.productImage3 = productImage.productImage3;
         obj.productImage4 = productImage.productImage4;
         context.SaveChanges();
         return(true);
     }
     catch (Exception ex)
     {
         Console.WriteLine(ex.Message);
         return(false);
     }
 }