admin/imgup.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;
using System.IO;

public partial class admin_imgup : System.Web.UI.Page
{
    DBhelper db = new DBhelper();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            if (Session["Name"] == null)
            {
                Response.Redirect("../main.aspx");
            }
            if (Request.QueryString["id"] != null)
            {
                dlBind();
            }
            DropBind();
        }       
    }
    protected string Oldname()
    {
        string DoSql = "select * from Album where AlbumID='" + Request.QueryString["id"] + "'";
        SqlDataReader dr = db.Logins(DoSql);
        string oldname;
        if(dr.Read())
        {
            oldname = dr["AlbumName"].ToString();
            return (oldname);
        }
        return ("0");
    }
    protected void DropBind()
    {
        string DropSql = "select distinct AlbumName from Album";
        DropAlbum.DataSource = db.GetDataSet(DropSql,"Album");
        DropAlbum.DataTextField = "AlbumName";
        DropAlbum.DataBind();     
    }
    protected void dlBind()
    {
        string DoSql = "select * from Album where AlbumID='" + Request.QueryString["id"] + "'";
        SqlDataReader dr = db.Logins(DoSql);
        if (dr.Read())
        {
            TextAlbum.Text = dr["AlbumName"].ToString();         
            LbTime.Text = dr["AlbumDate"].ToString();
            albumdis.InnerText = dr["AlbumDis"].ToString();
            DropAlbum.Text = dr["AlbumName"].ToString();
            dr.Close();
        }
        int curpage = Convert.ToInt32(this.labPage.Text);