{"provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftnakamura.hatenablog.com%2Fentry%2F20081007%2F1225070815\" title=\" \u5165\u529b\u3055\u308c\u305f\u5024\u3092\u691c\u8a3c\u3059\u308b - present\" 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://tnakamura.hatenablog.com/entry/20081007/1225070815","title":" \u5165\u529b\u3055\u308c\u305f\u5024\u3092\u691c\u8a3c\u3059\u308b","description":"\u306f\u3058\u3081\u306b ValidationRule \u3092\u81ea\u4f5c\u3057\u3066\u3001TextBox \u306b\u5165\u529b\u3055\u308c\u305f\u5024\u3092\u691c\u8a3c\u3057\u3066\u307f\u307e\u3057\u305f\u3002 \u30eb\u30fc\u30eb\u3092\u4f5c\u6210 public class SuzukiValidationRule : ValidationRule { public override ValidationResult Validate(object value, System.Globalization.CultureInfo cultureInfo) { string text = value as string; if (text == null) { return new ValidationResult(false\u2026","version":"1.0","height":"190","author_name":"griefworker","author_url":"https://blog.hatena.ne.jp/griefworker/","published":"2008-10-07 10:26:55","type":"rich","blog_url":"https://tnakamura.hatenablog.com/","provider_url":"https://hatena.blog","blog_title":"present","image_url":"http://cdn-ak.f.st-hatena.com/images/fotolife/g/griefworker/20081027/20081027102552.png","width":"100%","categories":["C#"]}