Web_ScienceManage/ModulesManage.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Model;
using BLL;
using System.Data;

public partial class ModulesManage : System.Web.UI.Page
{
    public Users users = new Users();
    protected void Page_Load(object sender, EventArgs e)
    {

        if (Session["Users"] != null)
        {
            users = (Users)Session["Users"];
        }
        else
        {
            users = new Users();
            Response.Write("<script>parent.window.location.href='login.aspx'</script>");
        }
        if (Request.QueryString["menuId"] != null)
        {
            List<Authority> listAut = AuthorityBLL.AllData(" and RoleId=" + users.RoleId);

            for (int i = 0; i < listAut.Count; i++)
            {
                if (listAut.Count != 0)
                {
                    if (listAut[i].ModuleId == Convert.ToInt32(Request.QueryString["menuId"]))
                    {
                        if (listAut[i].IsVisible != "是")
                        {
                            Response.Redirect("error.aspx");
                        }
                    }
                }
            }
        }
        if (!IsPostBack)
        {
            TreeViewBind();
        }
    }

    /// <summary>  
    /// 控件绑定父节点 
    /// </summary>  
    private void TreeViewBind()
    {

        tvMenu.Nodes.Clear();

        DataTable dt = ModulesBLL.AllData2("");  //数据源读取所有数据
        DataView dv = dt.DefaultView;
        dv.RowFilter = "ParentModuleId=0";   //筛选ParentId=0为顶级分类