C#读取sqlserver 动画flash swf 文件到本地硬盘

 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;
using System.Data.SqlClient;
using System.IO;
public partial class Default3 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        //把图片保存成数据库二进制形式
        Stream ImageStream;
        string Path = FileUpload1.PostedFile.FileName;// 文件名称
        int Size = FileUpload1.PostedFile.ContentLength; // 文件大小
        string Type = FileUpload1.PostedFile.ContentType; // 文件类型
        ImageStream = FileUpload1.PostedFile.InputStream;
        byte[] Content = new byte[Size];
        int Status = ImageStream.Read(Content, 0, Size);
        SqlConnection conn = new SqlConnection(ConfigurationSettings.AppSettings["ConnectionString"]);
        SqlCommand comm = new SqlCommand("insert into testimage (UserName,Image,Path,Type) values(@UserName,@Image,@Path,@Type)", conn);
        comm.CommandType = CommandType.Text;
        comm.Parameters.Add("@UserName", SqlDbType.VarChar, 255).Value = txtUserName.Text;
        comm.Parameters.Add("@Image", SqlDbType.Image).Value = Content;
        comm.Parameters.