admin/Merchandise/merchandise.aspx.cs

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using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.OleDb;
using System.Data;

namespace web.admin.Merchandise
{
    public partial class merchandise : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {

                string sqlwgcb = "";
                if (Request.QueryString["type_one_id"] != null)
                {
                    int uid = Convert.ToInt32(Request.QueryString["type_one_id"]);
                    sqlwgcb = " where id = " + uid;
                    this.DropDownList1.Items.Clear();
                }

                string um = Server.UrlDecode(Request.Cookies["adminusername"].Value);
                List<model.type_oneModel> li = new AcsHelper().ExecuteList<model.type_oneModel>("select * from type_one" + sqlwgcb + " order by px");
                DataTable dtt = new AcsHelper().ExecuteDataTable("select * from type_two where type not in (1,4,5)  order by px");
                //DataTable dqx = new AcsHelper().ExecuteDataTable("select qx from adminlogin where username = '" + um + "'");

                foreach (model.type_oneModel m in li)
                {
                    int i = 1;
                    foreach (DataRow r in dtt.Rows)
                    {
                        if (r["type_one_id"].ToString() == m.Id.ToString())
                        {
                            ListItem lt = new ListItem();
                            if (i == 1)
                            {
                                lt.Text = m.Type_one_name + "　┣" + r["type_two_name"].ToString();
                            }
                            else
                            {
                                string kong = "　";
                                for (int l = 0; l < m.Type_one_name.Length; l++)
                                {
                                    kong += "　";
                                }
                                lt.Text = kong + "┣" + r["type_two_name"].ToString();
                            }
                            lt.Value = r["id"].ToString();
                            this.DropDownList1.Items.Add(lt);
                            i++;
                        }
                    }
                }

                if (Request.QueryString["typeid"] != null)
                {