Web/Admin/AdminPictures.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;
using System.IO;
public partial class Web_Admin_AdminPictures : System.Web.UI.Page
{
   
    Dbhelp dh = new Dbhelp();
    string sql = "select * from ShowImage";
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["UserPower"] == null)
        {
            Response.Redirect("Admin.aspx");
            return;
        }
        DLBinit(sql);
    }
    #region 绑定数据
    protected void DLBinit(string sql)
    {//进行填充已上传的图片进行填充模块
        if (dh.conn.State == ConnectionState.Closed)
            dh.conn.Open();
        SqlDataAdapter da = new SqlDataAdapter(sql, dh.conn);
        DataSet ds = new DataSet();
        da.Fill(ds, "table");
        PagedDataSource ps = new PagedDataSource();
        ps.DataSource = ds.Tables["table"].DefaultView;
        GridView1.DataSource = ps;
        GridView1.DataBind();
    }

    #endregion
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {//删除图片信息
        int id = int.Parse(GridView1.DataKeys[e.RowIndex].Value.ToString());
        string sql = "select * from ShowImage where Id='" + id + "'";
        DataSet ds = dh.GetData(sql);
        string filename = ds.Tables[0].Rows[0][1].ToString();
        try
        {
            string[] value = filename.Split('/');
            filename = value[2].ToString();
        }
        catch (Exception)
        {
            
            dh.MessageShowBox("删除失败！");
            return;
        }
        string filepath = Server.MapPath("~")+"/ShowImage/" + filename;
        if (File.Exists(filepath))