admin/links/sisu_up.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.links
{
    public partial class sisu_up : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if(!IsPostBack)
            {
                if (Request.QueryString["id"] != null)
                {
                    int uid = Convert.ToInt32(Request.QueryString["id"]);
                    string sqlstring = "select * from links where id=" + uid.ToString();
                    using (DataTable dt = new AcsHelper().ExecuteDataTable(sqlstring))
                    {
                        foreach (DataRow r in dt.Rows)
                        {
                            this.TextBox3.Text = r["name"].ToString();
                            this.TextBox2.Text = r["img"].ToString();
                            this.TextBox1.Text = r["href"].ToString();
                        }
                    }
                }
                else 
                {
                    this.Button1.Text = " 增加 ";
                }
            }
        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            string t1 = this.TextBox3.Text;
            string t2 = this.TextBox1.Text;
            string img = this.TextBox2.Text;

            int tid = 0;

            if(Request.QueryString["tid"]!=null)
            {
                tid = Convert.ToInt32(Request.QueryString["tid"]);
            }

            string sqlstr = "select MAX(px) FROM links";
            int px = 1;
            string ob = new AcsHelper().ExecuteScalar(sqlstr);
            if (ob != "")
            {
                px = (Convert.ToInt32(ob)) + 1;
            }

            OleDbParameter[] sp = new OleDbParameter[] { 
                new OleDbParameter("@name",t1),