/// <summary> /// 从 DataContext 绑定数据 /// </summary> /// <param name="element">绑定数据的对象</param> /// <param name="bindPath">绑定路径</param> /// <param name="sourcePath">数据源路径</param> /// <param name="format">格式化字符串</param> /// <param name="defaultValue">如果找不到数据,所要使用的默认值</param> /// <returns></returns> public static IHtmlElement DataBind(this IHtmlElement element, string bindPath, string sourcePath, string format, object defaultValue) { if (sourcePath == null) { throw new ArgumentNullException("sourcePath"); } if (format == null) { format = "{0}"; } var context = BindingContext.Current; var value = Eval(element.Data(), sourcePath); if (value == null) { value = defaultValue; } var str = string.Format(format, value); BindCore(element, bindPath, str, BindingNullBehavior.Ignore); return(element); }
/// <summary> /// 设置元素上下文 /// </summary> /// <param name="element"></param> public void SetContext(IHtmlElement element) { foreach (var item in Datas) { element.Data(item.Key, item.Value); } }