ASPxTreeList 取值，做链接,实际运用。

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ASPxTreeList 取值，做链接,实际运用。

2013年08月27日 ⁄ 综合 ⁄ 共 5352字 ⁄ 字号小中大 ⁄ 评论关闭

using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Data; using ty.Model; using ty.BLL; using DevExpress.Web.ASPxTreeList; public partial class TreeListtest2 : System.Web.UI.Page { //TreeListNode localFolders; int num1 = 10; int num2 = 100; int num3 = 1000; int num4 = 1500; string text=null; protected void Page_Load(object sender, EventArgs e) { CreateNodes(); } void CreateNodes() { //this.ASPxTreeList1.Nodes.Clear();//清空树节点 DataTable dtLine = new LINE_PARA_TSM_DLRBLL().SelectLineName(); //线路信息表 DataTable dtLineStrain = new STRAIN_PARABLL().SelectLineStrain(""); //耐张段信息配置 DataTable dtLSS = new SPAN_PARABLL().SelectLSS(); //档距信息配置 DataTable dtDeviceName = new DEVICE_CONFIG_PARA_TSM_DLRBLL().SelectAllDeviceName2(); //数据采集配置参数 TreeListNode localFolders = CreateNodeCore(1, "Folder", "东菀供电局","", null); //localFolders.Expanded = true;//展开节点 TreeListNode communityNode = CreateNodeCore(2, "Folder", "数据采集终端","", null); for (int a = 0; a < dtLine.Rows.Count; a++) { TreeListNode linelist = CreateNodeCore(num1 + a, "Inbox", dtLine.Rows[a][1].ToString(), "a.aspx", localFolders);//线路信息表 for (int b = 0; b < dtLineStrain.Rows.Count; b++) { if (dtLineStrain.Rows[b][1].ToString() == dtLine.Rows[a][1].ToString()) {//如果耐张段信息配表和线路容量历史数据有共同的线路名才输出来 TreeListNode StrainList = CreateNodeCore(num2 + b, "Outbox", dtLineStrain.Rows[b][2].ToString(), "Default11.aspx", linelist);//耐张段信息配置 for (int c = 0; c < dtLSS.Rows.Count; c++) { if (dtLSS.Rows[c][0].ToString() == dtLine.Rows[a][1].ToString() && dtLSS.Rows[c][1].ToString() == dtLineStrain.Rows[b][2].ToString()) {// 如果档距信息配置表和线路容量历史数据有共同的线路名档距信息配置表和耐张段信息配表有共同的耐张段名称才输出 CreateNodeCore(num3 + c, "SentItems", dtLSS.Rows[c][2].ToString(), "Default8.aspx", StrainList); } } } } } for (int i = 0; i < dtDeviceName.Rows.Count; i++) {//数据采集配置参数 CreateNodeCore(num4 + i, "DeletedItems", dtDeviceName.Rows[i][0].ToString(), "Default7.aspx", communityNode); } ASPxTreeList1.ExpandAll();//展开所有节点 } TreeListNode CreateNodeCore(object key, string iconName, string text,string url, TreeListNode parentNode) { TreeListNode node = ASPxTreeList1.AppendNode(key, parentNode);//添加到TreeListNode数组里 node["IconName"] = iconName;//图片名 node["Name"] = text;//节点值 node["Url"] = url;//路径 return node; } protected string GetIconUrl(TreeListDataCellTemplateContainer container) { return string.Format("~/Images/Demo/MailIcons/{0}.png", container.GetValue("IconName"));//读取图片路径 //container.ResolveUrl } public string GetServeUrl() { if (text == "北南甲线") return "~/a.aspx"; else return "~/Default11.aspx"; //return null; } protected void ASPxTreeList1_CustomDataCallback(object sender, TreeListCustomDataCallbackEventArgs e) { string key = e.Argument.ToString(); TreeListNode node = ASPxTreeList1.FindNodeByKeyValue(key); //string key = ASPxTreeList1.GetFocusedNodeKey(); e.Result = GetEntryText(node); } protected string GetEntryText(TreeListNode node) { if (node != null) { text = node["Url"].ToString(); return text;//.Trim().Replace("/r/n", " "); } return string.Empty; } protected void ASPxTreeList1_FocusedNodeChanged(object sender, EventArgs e) { //string key = e.Argument.ToString(); //TreeListNode node = ASPxTreeList1.FindNodeByKeyValue("11"); //e.Result = node; //if (text == "北南甲线") // Response.Redirect("a.aspx"); //else // Response.Redirect("Default11.aspx"); } }

        //钥匙值防止重复前面指定了根节点最小值只能从3开始
        int num1 = 3;
        int num2 = 3;
        int num3 = 3;
        int num4 = 3;
        num2 = num1+ dtLine.Rows.Count+1;
        num3 = num2+ dtLineStrain.Rows.Count + 1;
        num4 = num3 + dtLSS.Rows.Count + 1;

后台:

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="TreeListtest2.aspx.cs" Inherits="TreeListtest2" %> <%@ Register assembly="DevExpress.Web.ASPxTreeList.v10.1, Version=10.1.5.0, Culture=neutral, PublicKeyToken=41f74a48e1b65e16" namespace="DevExpress.Web.ASPxTreeList" tagprefix="dx" %> <%@ Register assembly="DevExpress.Web.ASPxEditors.v10.1, Version=10.1.5.0, Culture=neutral, PublicKeyToken=41f74a48e1b65e16" namespace="DevExpress.Web.ASPxEditors" tagprefix="dx" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title> </head> <body> <form id="form1" runat="server"> <div> <dx:ASPxTreeList ID="ASPxTreeList1" runat="server" AutoGenerateColumns="False" Height="232px" Width="300px" oncustomdatacallback="ASPxTreeList1_CustomDataCallback" onfocusednodechanged="ASPxTreeList1_FocusedNodeChanged"> <Settings ShowColumnHeaders="False" /> <SettingsBehavior AllowFocusedNode="True" ExpandCollapseAction="NodeDblClick" /> <ClientSideEvents FocusedNodeChanged="function(s, e) { var key = ASPxTreeList1.GetFocusedNodeKey(); ASPxTreeList1.PerformCustomDataCallback(key); }" CustomDataCallback="function(s, e) { var ssrc=e.result; if (ssrc.length==0) return; parent.document.all('Iframe0').src=ssrc; }" /> <Templates> <DataCell> <table cellpadding="0" cellspacing="0"> <tr> <td> <dx:ASPxImage ID="ASPxImage1" runat="server" Height="16" ImageUrl="<%# GetIconUrl(Container) %>" IsPng="true" Width="16" /> </td> <td> </td> <td style="padding-bottom: 1px;" mce_style="padding-bottom: 1px;"> <a><%# Container.Text %></a> </td> </tr> </table> </DataCell> </Templates> <Columns> <dx:TreeListTextColumn FieldName="Name" VisibleIndex="0"> </dx:TreeListTextColumn> </Columns> <SettingsCustomizationWindow Enabled="True" /> </dx:ASPxTreeList> </div> </form> </body> </html>

前台:

后台方法：

public string GetServeUrl()

{

if (text == "北南甲线")

return "~/a.aspx";

else

return "~/Default11.aspx";

}

前台:

获得节点还可以这样获得

这样的写法不够犀利。