protected void Button1_Click(object sender, EventArgs e)

    {

        string str = "";

        if (FileUpload1.HasFile)

        {

            try

            {

                if (FileUpload1.PostedFile.ContentLength < 10240)

                {

                    FileUpload1.SaveAs("e:\\" + FileUpload1.FileName);

                    str += "上传的文件名字为" + FileUpload1.FileName + "<br/>";

                    str += "文件来自" + FileUpload1.PostedFile.FileName + "<br/>";

                    str += "文件大小" + FileUpload1.PostedFile.ContentLength + "<br/>";

                    str += "文件的类型为" + FileUpload1.PostedFile.ContentType + "<br/>";

                    Label1.Text = "文件上传成功，相应信息如下：" + str;

                }

                else

                {

                    Response.Write("<script>alert('文件大小超出范围!')</script>");

                }

            }

            catch (Exception ex)

            {

                Label1.Text = ex.Message;

            }

        }

    }

    protected void Button2_Click(object sender, EventArgs e)

    {

        string name = FileUpload2.FileName;

        string size = FileUpload2.PostedFile.ContentLength.ToString();

        string type = FileUpload2.PostedFile.ContentType;

        string path = Server.MapPath("images\\") + name;

        string tp = name.Substring(name.LastIndexOf("."));

        if (type.Substring(0, 5) == "image")

        {

            FileUpload2.SaveAs(path);

            Label2.Text = "文件名：" + name + "<br/>" + "大小：" + size + "<br/>" + "文件类型：" + type + "<br/>" + "后缀：" + tp + "<br/>" + "保存路径：" + path + "<br/>";

        }

    }