{"blog_title":"\u306f\u306a\u3061\u308b\u306e\u30de\u30a4\u30ce\u30fc\u30c8","provider_url":"https://hatena.blog","author_name":"hanaaaaaachiru","provider_name":"Hatena Blog","categories":["C#","\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3"],"type":"rich","title":"\u3010C#\u3011null\u30c1\u30a7\u30c3\u30af\u3092\u4e0d\u8981\u306b\u3067\u304d\u308bNull Object\u30d1\u30bf\u30fc\u30f3\u3092\u5b66\u3076","height":"190","blog_url":"https://www.hanachiru-blog.com/","version":"1.0","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/h/hanaaaaaachiru/20210216/20210216204951.png","author_url":"https://blog.hatena.ne.jp/hanaaaaaachiru/","published":"2021-02-22 12:00:00","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.hanachiru-blog.com%2Fentry%2F2021%2F02%2F22%2F120000\" title=\"\u3010C#\u3011null\u30c1\u30a7\u30c3\u30af\u3092\u4e0d\u8981\u306b\u3067\u304d\u308bNull Object\u30d1\u30bf\u30fc\u30f3\u3092\u5b66\u3076 - \u306f\u306a\u3061\u308b\u306e\u30de\u30a4\u30ce\u30fc\u30c8\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://www.hanachiru-blog.com/entry/2021/02/22/120000","description":"\u306f\u3058\u3081\u306b \u4eca\u56de\u306fNullReferenceException\u306e\u30b9\u30ed\u30fc\u3092\u9632\u3050\u305f\u3081\u306enull\u30c1\u30a7\u30c3\u30af\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u308bNull Object \u30d1\u30bf\u30fc\u30f3\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002 \u30af\u30e9\u30b9\u56f3 \u306f\u3058\u3081\u306b \u3088\u304f\u3042\u308bnull\u30c1\u30a7\u30c3\u30af Null Object\u30d1\u30bf\u30fc\u30f3\u9069\u5fdc\u5f8c \u3055\u3044\u3054\u306b \u3088\u304f\u3042\u308bnull\u30c1\u30a7\u30c3\u30af class Client { // UserObject \u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u7ba1\u7406\u3057\u3066\u3044\u308b\u3082\u306e static IRespository _respository = new Repository(); private static void Main(string[] args) { // userOb\u2026","width":"100%"}