{"url":"https://shinriyo.hateblo.jp/entry/20131121/p2","categories":[],"author_name":"shinriyo","image_url":null,"version":"1.0","author_url":"https://blog.hatena.ne.jp/shinriyo/","description":"Hoge[\"key\"] \u306e\u3088\u3046\u306aDictionary\u306e\u3082\u306e\u3092 Hoge[\"key\"].ToString (); \u306e\u3088\u3046\u306b\u6587\u5b57\u5217\u306b\u5909\u63db\u3059\u308b\u3068\u3001Null\u306e\u5834\u5408 NullReferenceException: Object reference not set to an instance of an object\u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u304c\u51fa\u308b\u3002URL: http://stackoverflow.com/questions/550374/checking-for-null-before-tostring public static string ToSafeString(this object obj) { r\u2026","type":"rich","published":"2013-11-21 00:00:01","height":"190","provider_name":"Hatena Blog","blog_url":"https://shinriyo.hateblo.jp/","blog_title":"\u4e07\u5e74\u7d20\u4eba\u304b\u3089Hacker\u3078\u306e\u9053","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fshinriyo.hateblo.jp%2Fentry%2F20131121%2Fp2\" title=\"\u5b89\u5168\u306bToString ()\u3000C# - \u4e07\u5e74\u7d20\u4eba\u304b\u3089Hacker\u3078\u306e\u9053\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"\u5b89\u5168\u306bToString ()\u3000C#","provider_url":"https://hatena.blog"}