private void TreeBind(int _channel_id)
        {
            BLL.CategoryBll bll = new BLL.CategoryBll();
            DataTable dt = bll.GetList(_channel_id);

            this.ddlParentId1.Items.Clear();
            this.ddlParentId1.Items.Add(new ListItem("无父级分类", "0"));
            foreach (DataRow dr in dt.Rows)
            {
                string Id = dr["id"].ToString();
                int ClassLayer = int.Parse(dr["class_layer"].ToString());
                string Title = dr["title"].ToString().Trim();

                if (ClassLayer == 1)
                {
                    this.ddlParentId1.Items.Add(new ListItem(Title, Id));
                }
                else
                {
                    Title = "├ " + Title;
                    Title = Utils.StringOfChar(ClassLayer - 1, " ") + Title;
                    this.ddlParentId1.Items.Add(new ListItem(Title, Id));
                }
            }
        }
 //数据绑定
 private void RptBind()
 {
     BLL.CategoryBll bll = new BLL.CategoryBll();
     DataTable dt = bll.GetList(this.channel_id);
     this.rptList.DataSource = dt;
     this.rptList.DataBind();
 }
        private void TreeBind(int _channel_id)
        {
            BLL.CategoryBll bll = new BLL.CategoryBll();
            DataTable dt = bll.GetList(channel_id);

            this.ddlCategoryId.Items.Clear();
            this.ddlCategoryId.Items.Add(new ListItem("所有类别", ""));
            foreach (DataRow dr in dt.Rows)
            {
                string Id = dr["ID"].ToString();
                string Title = dr["Title"].ToString().Trim();
                this.ddlCategoryId.Items.Add(new ListItem(Title, Id));
            }
        }