private void BindEnumrable() { List <JQueryFeature> myList = new List <JQueryFeature>(); List <School一级类别表> yjlb = pdbll.查询一级类别s(); int num = 0; for (int i = 1; i <= yjlb.Count; i++) { myList.Add(new JQueryFeature(num.ToString(), yjlb[i - 1].称.ToString(), 0, true)); List <School二级类别表> listuser = pdbll.查询二级类别s(i); for (int t = 1; t <= listuser.Count; t++) { myList.Add(new JQueryFeature((++num).ToString(), listuser[t - 1].称.ToString() + ".", 1, true)); List <School三级类别表> listusers = pdbll.级(listuser[t - 1].称.ToString()); for (int s = 1; s <= listusers.Count; s++) { myList.Add(new JQueryFeature((++num).ToString(), listusers[s - 1].称.ToString() + "..", 2, true)); } } num++; } //firstKind.DataValueField = "名称"; //myList.Add(new JQueryFeature("0", "jQuery", 0, false)); //myList.Add(new JQueryFeature("1", "zzzzz", 0, false)); //myList.Add(new JQueryFeature("0", "核心", 1, false)); //myList.Add(new JQueryFeature("2", "选择符", 1, false)); //myList.Add(new JQueryFeature("3", "基本选择符", 2, true)); //myList.Add(new JQueryFeature("4", "内容选择符", 2, true)); //myList.Add(new JQueryFeature("5", "属性选择符", 2, true)); //myList.Add(new JQueryFeature("6", "筛选", 1, false)); //myList.Add(new JQueryFeature("7", "过滤", 2, true)); //myList.Add(new JQueryFeature("8", "查找", 2, true)); //myList.Add(new JQueryFeature("9", "事件", 1, false)); //myList.Add(new JQueryFeature("10", "页面载入",2, true)); //myList.Add(new JQueryFeature("11", "jQuery", 3, false)); //myList.Add(new JQueryFeature("11", "事件处理", 2, true)); //myList.Add(new JQueryFeature("12", "事件委托", 2, true)); ddlBox.DataTextField = "Name"; ddlBox.DataValueField = "Name"; ddlBox.DataSimulateTreeLevelField = "Level"; ddlBox.DataEnableSelectField = "EnableSelect"; ddlBox.DataSource = myList; ddlBox.DataBind(); ddlBox.SelectedValue = "3"; }