求大能帮忙调错

using System;

using System.Web;

using System.Web.UI.WebControls;

using System.Data;

using System.Configuration;

using System.Collections;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

using System.Data.SqlClient;



namespace ZX_WYZJ.Admin

{

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

    {

        protected void Page_Load(object sender, EventArgs e)

        {

            if (Page.IsPostBack) return;

            if (!string.IsNullOrEmpty(Request.QueryString["Picurl"]))

            {

                ImageDrag.ImageUrl = Request.QueryString["Picurl"];

                ImageIcon.ImageUrl = Request.QueryString["Picurl"];

                Page.ClientScript.RegisterStartupScript(typeof(uploaduserphoto), "step2", "<script type='text/javascript'>Step2();</script>");

            }

            else

            {

                Page.ClientScript.RegisterStartupScript(typeof(uploaduserphoto), "step1", "<script type='text/javascript'>Step1();</script>");

            }

        }

        private const string savepath = "../images/User/UserHeadImage" + "/";

        protected void btnUpload_Click(object sender, EventArgs e)

        {

            if (fuPhoto.PostedFile != null && fuPhoto.PostedFile.ContentLength > 0)

            {



                string ext = System.IO.Path.GetExtension(fuPhoto.PostedFile.FileName).ToLower();

                if (ext != ".jpg" && ext != ".jepg" && ext != ".bmp" && ext != ".gif")

                {

                    return;

                }

                string filename = "xuanye_" + DateTime.Now.ToString("yyyyMMddHHmmss") + ext;

                string path = "../images/User/UploadPhoto/" + filename;

                fuPhoto.PostedFile.SaveAs(Server.MapPath(path));

                Response.Redirect("../Amdin/uploaduserphoto.aspx?Picurl=" + Server.UrlEncode(path));

            }

            else

            {

                //do some thing;

            }

        }



        protected void btn_Image_Click(object sender, EventArgs e)

        {

            int imageWidth = Int32.Parse(txt_width.Text);

            int imageHeight = Int32.Parse(txt_height.Text);

            int cutTop = Int32.Parse(txt_top.Text);

            int cutLeft = Int32.Parse(txt_left.Text);

            int dropWidth = Int32.Parse(txt_DropWidth.Text);

            int dropHeight = Int32.Parse(txt_DropHeight.Text);

            string filename = CutPhotoHelp.SaveCutPic(Server.MapPath(ImageIcon.ImageUrl), Server.MapPath(savepath), 0, 0, dropWidth, dropHeight, cutLeft, cutTop, imageWidth, imageHeight);

           

            this.imgphoto.ImageUrl = savepath + filename;

            Page.ClientScript.RegisterStartupScript(typeof(uploaduserphoto), "step3", "<script type='text/javascript'>Step3();</script>");

        }



    }

}

补充：.NET技术 ,  ASP.NET

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