{"blog_title":"3\u6d41\u30d7\u30ed\u30b0\u30e9\u30de\u306e\u30e1\u30e2\u66f8\u304d","height":"190","width":"100%","author_name":"deloreanmc12","categories":[".Net\u958b\u767a"],"version":"1.0","provider_url":"https://hatena.blog","type":"rich","author_url":"https://blog.hatena.ne.jp/deloreanmc12/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2F3ryupg.hatenablog.com%2Fentry%2F2010%2F02%2F28%2F130800\" title=\"(.Net)ComboBox\u3067DataSource\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u4e2d\u306bNull\u304c\u3042\u308b\u3068... - 3\u6d41\u30d7\u30ed\u30b0\u30e9\u30de\u306e\u30e1\u30e2\u66f8\u304d\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"(.Net)ComboBox\u3067DataSource\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u4e2d\u306bNull\u304c\u3042\u308b\u3068...","blog_url":"https://3ryupg.hatenablog.com/","provider_name":"Hatena Blog","url":"https://3ryupg.hatenablog.com/entry/2010/02/28/130800","published":"2010-02-28 13:08:00","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/d/deloreanmc12/20180220/20180220092952.jpg","description":"ComboBox\u306e DataSource \u306b List \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6307\u5b9a\u3057\u305f\u3093\u3067\u3059\u304c\u3001\u305d\u306e List \u306e\u4e2d\u306b Null \u304c\u3042\u308b\u3068\u305d\u3053\u3063\u304b\u3089\u5148\u304c Item \u3068\u3057\u3066\u8ffd\u52a0\u3055\u308c\u306a\u3044\u307f\u305f\u3044\u306a\u3093\u3067\u3059\u3002 \u4f8b\u3048\u3070\u4e0b\u8a18\u306e\u3088\u3046\u306a\u5834\u5408\u3067\u3059\u3002(C#) //ComboBoxNull\u30c6\u30b9\u30c8 List lst = new List(); lst.Add(null); lst.Add(\"a\"); lst.Add(\"b\"); lst.Add(\"c\"); comboBox1.DataSource = lst; \u3053\u306e\u5834\u5408\u3001\u6700\u521d\u306b\u8ffd\u52a0\u3057\u305f\u5024\u304c null \u3067\u3059\u304c\u3001\u5b9f\u969b\u306b\u30b3\u30f3\u30dc\u30dc\u30c3\u30af\u30b9\u3092\u8868\u793a\u3059\u308b\u3068\u4e0b\u8a18\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 \u6b21\u306b\u3001null\u2026"}