常用软件类： |
|杀毒安全 | |联络聊天 | |网络软件 | |多媒体类 | |系统工具 | |图形图像 | |系统工具 | |应用软件 | |行业软件 |
开发设计类： |
|动画制作 | |图像处理 | |3D设计 | |操作系统 | |站长学院 | |网络相关 | |WEB设计 | |数据库类 | |程序开发 |
程序代码
private void CreateTree(int belong, Microsoft.Web.UI.WebControls.TreeNode rootnode)
...{
DataSet ds = new DataSet();foreach(DataRow dr in ds.Tables[0].Rows)
...{Microsoft.Web.UI.WebControls.TreeNode treenode = new Microsoft.Web.UI.WebControls.TreeNode();treenode.Text = dr["text"].ToString().Trim();treenode.CheckBox = true;treenode.Expanded = true;rootnode.Nodes.Add(treenode);int id = int.Parse(dr["id"].ToString().Trim());CreateTree(id, treenode);
}
} 程序代码
private void Page_Load(object sender, System.EventArgs e)...{Microsoft.Web.UI.WebControls.TreeNode rootnode = new Microsoft.Web.UI.WebControls.TreeNode();rootnode.Expanded = true;TreeView2.Nodes.Add(rootnode);CreateTree(0, rootnode);} 程序代码
<div> <asp:XmlDataSource ID="AreaDataSource" runat="server"/> <asp:TreeView ID="AreaTreeView" runat="server" DataSourceID="AreaDataSource"> <DataBindings> <asp:TreeNodeBinding DataMember="AreaId" TextField="#InnerText" /> <asp:TreeNodeBinding DataMember="Area" TextField="#InnerText" /> <asp:TreeNodeBinding DataMember="FatherId" TextField="#InnerText" /> </DataBindings> </asp:TreeView> </div> 程序代码
protected void Page_Load(object sender, EventArgs e) ...{ if (!this.IsPostBack) ...{ CreateXML(); TreeViewBind(); } } private void TreeViewBind() ...{ AreaDataSource.DataFile = "~/App_Data/XML/AreaXml.xml"; AreaDataSource.XPath = "/NewDataSet/Table"; AreaTreeView.DataBind(); } private void CreateXML() ...{ string sql = "select AreaId,Area,FatherId from Example_Areas"; DataSet ds = new DataSet(); DBDealer db = new DBDealer(); ds = db.ExeSelectDS(sql); string path = Server.MapPath("~/App_Data/XML/AreaXml.xml"); if (!File.Exists(path)) ...{ try ...{ ds.WriteXml(path); } catch ...{ throw new Exception("生成xml文件失败!"); } finally ...{ ds.Dispose(); } } } 
