public IHttpActionResult CreateItems([FromBody] ProductDetailViewModel databody, string condition = "", int?userDemand = 0, decimal?duration = 0, char?deli = null) { using (var db = new DB_Context()) { try { ProductDetailViewModel prodDetail = new ProductDetailViewModel(); Product product = databody.convertToProduct(condition, userDemand, duration, deli); db.Products.Add(product); db.SaveChanges(); return(Ok("Insert Data Success")); } catch (Exception) { throw; } } }