treeclass.ascx.cs

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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 BLL.System;
using Common.Entities;

public partial class UserControls_TreeClass : System.Web.UI.UserControl
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            this.treeClass.Nodes.Clear();
            BindTree(this.treeClass.Nodes,0);
        }
    }
    protected void BindTree(TreeNodeCollection treeCol, int superID)
    {
        ArrayList arrayList;
        ClassSystem classSystem = new ClassSystem();
        arrayList = classSystem.GetClassData(superID);
        TreeNode node;
        foreach(ClassData classData in arrayList)
        {
            node = new TreeNode();
            node.Value = classData.ClassID.ToString();
            node.Text = classData.ClassName;
            treeCol.Add(node);
            BindTree(node.ChildNodes,int.Parse(node.Value));
        }
        this.treeClass.CollapseAll();
    }
}