原文发布时间为：2008-07-29 —— 来源于本人的百度文章 [由搬家工具导入]

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;

public partial class Default4 : System.Web.UI.Page

{

    protected void Page_Load(object sender, EventArgs e)

    {

        Image1.Visible = false;

    }

    protected void upload_Click(object sender, EventArgs e)

    {

        string name = FileUpload1.FileName;

        string size = FileUpload1.PostedFile.ContentLength.ToString();

        string type1 = FileUpload1.PostedFile.ContentType.ToString();

        string type2 = name.Substring(name.LastIndexOf(".") + 1);

        string ipath = Server.MapPath("image") + "\\" + name;

        string fpath = Server.MapPath("upfile") + "\\" + name;

        string wpath="image\\"+name;

        if (type2 == "JPG" || type2 == "GIF" || type2 == "PNG" || type2 == "BMP"||type2 == "jpg" || type2 == "gif" || type2 == "png" || type2 == "bmp")

        {

            FileUpload1.SaveAs(ipath);

            Image1.Visible = true;

            Image1.ImageUrl = wpath;

            Label1.Text = "你上传的文件名称：" + name + "<br>大小:" + size + "<br>类型：" + type1 + "<br>后缀名：" + type2 + "<br>实际路径:" + ipath + "<br>虚拟路径:" + wpath;

        }

        else

        {

            Image1.Visible = false;

            FileUpload1.SaveAs(fpath);

            Label1.Text = "你上传的文件名称：" + name + "<br>大小:" + size + "<br>类型：" + type1 + "<br>后缀名：" + type2 + "<br>实际路径:" + fpath;

        }

    }

    protected void LinkButton1_Click(object sender, EventArgs e)

    {

        LinkButton1.Text = HiddenField1.Value;

    }

}