Web/Admin/AddPictures.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.IO;
public partial class Web_Admin_AddPictures : System.Web.UI.Page
{
    Dbhelp dh = new Dbhelp();
    string filename=string.Empty;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["UserPower"] == null)
        {
            Response.Redirect("Admin.aspx");
            return;
        }
        TxtFileName.Focus();   
    }
    protected void BtnSubmit_Click(object sender, EventArgs e)
    {
        try
        {
            string str = FileUpload1.PostedFile.FileName;
            filename = str.Substring(str.LastIndexOf("\\") + 1);
            string type=filename.Substring(filename.LastIndexOf("."));
            if (type != ".jpg"&type!=".JPG")
            {
                dh.MessageShowBox("请上传正确的文件格式！");
                return;
            }
            string sql = "select count(*) from ShowImage where PhotoName='"+filename+"'";
            if (dh.CheckLogin(sql) > 0)
            {
                dh.MessageShowBox("该图片已添加过，请核实！");
                return;
            }
            //string filename = TxtFileName.Text.Trim();
            string filepath = "../../" + "ShowImage//" + filename;
            FileUpload1.PostedFile.SaveAs(Server.MapPath(filepath));
        }
        catch (Exception)
        {
            
            dh.MessageShowBox("上传失败！");
            return;
        }
       // dh.MessageShowBox("上传成功！");
        InsertPicture();
    }
    protected void InsertPicture()
    {
        string sql = string.Format("insert into ShowImage (FilePhotoPath,PhotoName) values('{0}','{1}')","~/ShowImage/"+filename.Trim(),filename);
        if (dh.Exucte(sql) > 0)
            dh.MessageShowBox("上传成功！");