public void DeleteById(int commentId)
 {
     using (var context = new ReviewDbContext())
     {
         var commentToBeDeleted = GetById(commentId);
         context.Remove(commentToBeDeleted);
         context.SaveChanges();
     }
 }
 public bool DeleteById(int productId)
 {
     using (var context = new ReviewDbContext())
     {
         var productToBeDeleted = GetById(productId);
         context.Remove(productToBeDeleted);
         context.SaveChanges();
     }
     if (GetById(productId) == null)
     {
         return(true);
     }
     return(false);
 }