{"description":"\u30e2\u30c7\u30eb\u30af\u30e9\u30b9\u306b\u8a18\u8ff0\u3059\u308b\u30d0\u30fc\u30b8\u30e7\u30f3 \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306b\u8a18\u8ff0\u3059\u308b\u30d0\u30fc\u30b8\u30e7\u30f3 \" id=\"\u30e2\u30c7\u30eb\u30af\u30e9\u30b9\u306b\u8a18\u8ff0\u3059\u308b\u30d0\u30fc\u30b8\u30e7\u30f3\">\u30e2\u30c7\u30eb\u30af\u30e9\u30b9\u306b\u8a18\u8ff0\u3059\u308b\u30d0\u30fc\u30b8\u30e7\u30f3 using System. Collections.Generic; using System.ComponentModel; using System.ComponentModel.DataAnnotations; // IValidatableObject \u30a4\u30f3\u30bf\u30fc \u30d5\u30a7\u30a4\u30b9 \u3092 \u5b9f\u88c5 public class Book : IValidatableObject { public int Id {get; set;} public strin\u2026","blog_title":"okinawa","image_url":null,"provider_url":"https://hatena.blog","blog_url":"https://dodosu.hatenablog.jp/","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdodosu.hatenablog.jp%2Fentry%2F2021%2F05%2F20%2F113607\" title=\".net core \u81ea\u4f5c\u306e\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3 - okinawa\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":[".net Core"],"published":"2021-05-20 11:36:07","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/dodosu/","url":"https://dodosu.hatenablog.jp/entry/2021/05/20/113607","width":"100%","type":"rich","title":".net core \u81ea\u4f5c\u306e\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3","author_name":"dodosu","height":"190"}