{"blog_url":"https://devlights.hatenablog.com/","blog_title":"\u3044\u308d\u3044\u308d\u5099\u5fd8\u9332\u65e5\u8a18","author_url":"https://blog.hatena.ne.jp/gsf_zero1/","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","url":"https://devlights.hatenablog.com/entry/20100528/p1","categories":["C#"],"title":" String.IsNullOrWhiteSpace\u30e1\u30bd\u30c3\u30c9 (System.String, .NET 4.0\u3067\u8ffd\u52a0\u3055\u308c\u305f\u30e1\u30bd\u30c3\u30c9, \u7a7a\u767d\u6587\u5b57\u3082\u7a7a\u3068\u307f\u306a\u3059, \u5168\u89d2\u6587\u5b57\u3082\u7a7a\u767d\u6587\u5b57\u3068\u307f\u306a\u3059)","published":"2010-05-28 00:00:00","type":"rich","height":"190","description":".NET 4.0\u306b\u3066\u3001System.String\u30af\u30e9\u30b9\u306b\u4ee5\u4e0b\u306estatic\u30e1\u30bd\u30c3\u30c9\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3057\u305f\u3002 String.IsNullOrWhiteSpace \u3053\u308c\u306f\u3001\u4ee5\u524d\u304b\u3089\u5b58\u5728\u3057\u3066\u3044\u305fIsNullOrEmpty\u30e1\u30bd\u30c3\u30c9\u306b\u3001\u300c\u7a7a\u767d\u6587\u5b57\u306e\u307f\u306e\u6587\u5b57\u5217\u300d\u306e\u5834\u5408\u3082 \u7a7a\u3068\u898b\u306a\u3059\u6761\u4ef6\u3092\u8ffd\u52a0\u3057\u305f\u3082\u306e\u306b\u306a\u308a\u307e\u3059\u3002 \u524d\u307e\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3057\u305f\u3002 if (string.IsNullOrEmpty(str) || str.Trim().Length == 0) { .... } \u3053\u308c\u304b\u3089\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3067\u304d\u307e\u3059\u3002 if (string.IsNullOrWhiteSpace(str)) { ...\u2026","author_name":"gsf_zero1","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdevlights.hatenablog.com%2Fentry%2F20100528%2Fp1\" title=\" String.IsNullOrWhiteSpace\u30e1\u30bd\u30c3\u30c9 (System.String, .NET 4.0\u3067\u8ffd\u52a0\u3055\u308c\u305f\u30e1\u30bd\u30c3\u30c9, \u7a7a\u767d\u6587\u5b57\u3082\u7a7a\u3068\u307f\u306a\u3059, \u5168\u89d2\u6587\u5b57\u3082\u7a7a\u767d\u6587\u5b57\u3068\u307f\u306a\u3059) - \u3044\u308d\u3044\u308d\u5099\u5fd8\u9332\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","version":"1.0","image_url":null}