lefttree.ascx.cs

自己做的的一个小的邮件系统,上传上去大家一起分享一下

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

public partial class leftTree : System.Web.UI.UserControl
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {   ///初始化操作树
            InitOperationTree();
        }
    }

    private void InitOperationTree()
    {   ///获取数据
        IFolder folder = new Folder();
        SqlDataReader dr = folder.GetFolders();
        ///找到“邮件文件夹”节点
        TreeNode mailFolderNode = OperationView.FindNode("-1/0");
        if (mailFolderNode == null)
        {
            return;
        }
        ///添加邮件文件夹
        while (dr.Read())
        {   ///创建节点
            TreeNode node = new TreeNode();
            node.NavigateUrl = "~/ViewMail.aspx?FolderID=" + dr["FolderID"].ToString();
            node.Target = "Desktop";
            node.Text = dr["Name"].ToString();
            node.Value = dr["FolderID"].ToString();
            mailFolderNode.ChildNodes.Add(node);
        }
        dr.Close();
    }
}