Admin/ModifyChanPin.aspx.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 System.Data.SqlClient;
public partial class ModifyChanPin : System.Web.UI.Page
{
    Alert alert = new Alert();
    SqlHelper data = new SqlHelper();
    public string DownPath;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {

            Type();
            GetArticle();
        }
    }
    /// <summary>
    /// 绑定类别
    /// </summary>
    private void Type()
    {

        DropDownList1.DataSource = data.GetDataReader("select * from  Class  ");
        DropDownList1.DataTextField = "Name";
        DropDownList1.DataValueField = "id";
        DropDownList1.DataBind();

    }
    private void GetArticle()
    {
        int id = int.Parse(Request.QueryString["id"].ToString());
        SqlDataReader dr;
        dr = data.GetDataReader("select * from  ChanPin where id=" + id);
        dr.Read();
        txtname.Text = dr["name"].ToString();
        txtds.Text = dr["ds"].ToString();
        DropDownList1.Items[0].Text = dr["TypeName"].ToString();
        pic.Text = dr["Images"].ToString();
        Image1.ImageUrl ="../"+ dr["Images"].ToString();
        txtdanjia.Text = dr["danjia"].ToString();
      txtguige.Text = dr["guige"].ToString();
      TextBox1.Text = dr["Code"].ToString();
      txtriqi.Text = dr["shengchanriqi"].ToString();
    }


    protected void Button1_Click(object sender, EventArgs e)
    {
        string res;
        upload up = new upload();
        res = up.Up(file1, "../uploads/");