一、MVC HtmlHelper拓展示例
添加拓展类文件 public static class Html { public static Dictionary<int, string> TestExtensionHtml = new Dictionary<int, string>() { {1,"请选择"}, {2,"北京市"}, {3,"上海市"} }; public static MvcHtmlString TestDropDownList(this HtmlHelper html) { string result = string.Empty; StringBuilder sb = new StringBuilder(); sb.AppendLine("<select id=\"test\" name=\"test\""); foreach (var item in TestExtensionHtml) { sb.AppendLine(string.Format("<option value=\"{0}\" >{1} </option>", item.Key, item.Value)); } sb.AppendLine("</select>"); result = sb.ToString(); return new MvcHtmlString(result); } } 视图引用该命名空间 @using Demo.Extensions 添加拓展控件 @Html.TestTestDropDownList(); View Code
转载于:https://www.cnblogs.com/eric-gms/p/6829633.html
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