UI/aadmin/proimageupdate.aspx.cs

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using System;
using System.Collections;
using System.Configuration;
using System.Data;

using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;

using System.Data.SqlClient;
using System.IO;


public partial class admin_proimageupdate : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            u_sizeid.Text = Request.QueryString["sizeid"].ToString();

            BLL.proimage b_image = new BLL.proimage();
            SqlDataReader dr = b_image.image_update(u_sizeid.Text);
            dr.Read();
            image_url.Text = dr["_imageurl"].ToString();
            Image1.ImageUrl = "~/" + image_url.Text;
            image_id.Text = dr["_imageid"].ToString();
            dr.Close();
            sbing();
            
        }

    }
    public void msg(string msg)
    {
        BLL.tis myb = new BLL.tis();
        myb.msg(Page, msg);
    }
    public void sbing()
    {
        BLL.size bsize = new BLL.size();
        DataSet ds = bsize.select_size(u_sizeid.Text);
        GridView1.DataSource = ds.Tables[0];
        GridView1.DataBind();
        
    }


    protected void upimage_Click(object sender, EventArgs e)
    {

        if (FileUpload1.HasFile == false)
        {
            msg("您还没有选择图片！");
            return;
        }
        else