asp.net XML匯入資料庫(3)

  

protected void btnSumit_Click(object sender, EventArgs e)
    {
        System.Drawing.Image img;
        conn.Open();
        using (SqlCommand cmd = new SqlCommand())
        {
            cmd.Connection = conn;
            cmd.CommandType = CommandType.Text;

            string path = Server.MapPath("XML.xml");
            XmlDocument xml = new XmlDocument();
            xml.Load(path);
            XmlNodeList node = xml.GetElementsByTagName("resault");
            foreach (XmlElement n in node)
            {
                string strData = n.ChildNodes[1].InnerText;
                int nSize = n.ChildNodes[1].InnerText.Length;
               // Response.OutputStream.Write(Convert.FromBase64String(strData), 0, nSize);

 

                MemoryStream ms = new MemoryStream(Convert.FromBase64String(strData));
                img = System.Drawing.Image.FromStream(ms);

                string url = Server.MapPath("img/");
                DirectoryInfo dir = new DirectoryInfo(url);
                FileInfo[] filecount = dir.GetFiles();
                int i = filecount.Length;
                string imgName=url+((i+1)+".jpg");
                img.Save(imgName);

                cmd.CommandText = string.Format("insert into img2(title,img) values('" + n.ChildNodes[0].InnerText+ "','"+imgName+"')");
                cmd.ExecuteNonQuery();
                ClientScript.RegisterStartupScript(this.GetType(), "", "<script>alert('匯入成功')</script>");

               
            }
        }
        conn.Close();
    }

XML結構：
<?xml version="1.0" standalone="yes"?>
<DocumentElement>
  <resault>
    <id>179</id>
    <img>"圖片流"</img>
  </resault>
<resault>
    <id>180</id>
    <img>"圖片流"</img>
  </resault>

<DocumentElement>