ASP.net中上传图片怎么做，请各位高手赐教！本人感激不尽！我写代码了，但是用不起！

        String filename, savepath;
        String[] tempfilename;
        savepath = Server.MapPath("image/");
        FileUpload fileupload1 = (FileUpload)FormView1.FindControl("FileUpload1");
        filename = fileupload1.FileName;
        tempfilename = filename.Split('.');
        filename = tempfilename[tempfilename.Length-1];
        filename = System.Guid.NewGuid().ToString() + "." + filename;
        savepath = savepath + filename;
        if(fileupload1.HasFile==true)
        {
            fileupload1.SaveAs(savepath);
        }
        Image image1 = (Image)FormView1.FindControl("Image1");
        image1.ImageUrl = "~/image/"+filename;
        Session["filename"] = filename; --------------------编程问答-------------------- 这里是原文



/// <summary>

    /// 在服务器上新建目录 

    /// </summary>

    /// <param name="dir"></param>

    protected void createDir(string dir)

    {

        if (dir.Length == 0) return;

        if (!System.IO.Directory.Exists(Request.PhysicalApplicationPath + "\\" + dir))

            System.IO.Directory.CreateDirectory(Request.PhysicalApplicationPath + "\\" + dir);

    }



    /// <summary>

    /// 上传文件 如路径不存在则自动创建 Hackdv.cn

    /// </summary>

    /// <param name="FileUpload1"></param>

    /// <param name="txtUrl"></param>

    /// <param name="ChannelDir"></param>

    protected void setUploadFile(ref FileUpload FileUpload1, ref TextBox txtUrl, string ChannelDir)

    {

        if (FileUpload1.PostedFile != null)

        {

            string fileContentType = FileUpload1.PostedFile.ContentType;

            if (fileContentType == "image/bmp" || fileContentType == "image/gif" || fileContentType == "image/pjpeg")

            {

                if (FileUpload1.PostedFile.ContentLength > 1024 * 1024)

                {

                    Alert("上传文件大于1M,请使用FTP上传!");

                    return;

                }

                string filename = string.Empty;

                string filename2 = FileUpload1.PostedFile.FileName;

                filename2 = filename2.Substring(filename2.LastIndexOf('.'));

                char[] namechar = DateTime.Now.ToString().ToCharArray();

                for (int i = 0; i < namechar.Length; i++)

                {

                    if (namechar[i] != '-' && namechar[i] != ':' && namechar[i] != ' ')

                        filename += namechar[i].ToString();

                }

                filename += new Random().Next(100, 999).ToString();

                filename += filename2;

                string filepath = DateTime.Now.Year.ToString() + DateTime.Now.Month.ToString();

                filepath = ChannelDir + "/UserFiles/" + filepath;



                createDir(filepath);

                FileUpload1.PostedFile.SaveAs(Request.PhysicalApplicationPath + filepath + "/" + filename);

                filepath = filepath + "/" + filename;

                txtUrl.Text = filepath.ToString().Trim();

            }

            else

            {

                Alert("只能上传图片格式！");

            }

        }

比较简单的上传图片代码有点过分简化了看不明白就加群 15058618 --------------------编程问答-------------------- ···其中的Alert是个基类函数 ······ --------------------编程问答-------------------- 帮顶 --------------------编程问答-------------------- 学习 --------------------编程问答-------------------- 这样的代码网上多的事，楼主自己找一下吧
一眼看到的错误是这个
tempfilename[tempfilename.Length-1];
tempfilename是一个数组，而你的[]内的参数是什么啊 --------------------编程问答-------------------- http://www.51aspx.com/Type/6/
看看里面有没有你需要的

补充：.NET技术 ,  ASP.NET