protected void Button1_Click(object sender, EventArgs e)

    {

        //写入

        string path = this.FileUpload1.PostedFile.FileName;

        FileStream stream = new FileStream(path, FileMode.Open, FileAccess.Read);



        int length = this.FileUpload1.PostedFile.ContentLength;

        byte[] wordData = new byte[length];

        stream.Read(wordData, 0, length);

        stream.Close();

        

        SqlConnection con = new SqlConnection(connectionString);

        con.Open();

        SqlCommand cmd = new SqlCommand("insert into word values('test','" + wordData + "')", con);

        cmd.ExecuteNonQuery();

        con.Close();



    }



    protected void Button2_Click(object sender, EventArgs e)

    {

        //读取

        SqlConnection con = new SqlConnection(connectionString);

        con.Open();

        SqlCommand cmd = new SqlCommand("select content from word where id=9", con);

        SqlDataReader sdr = cmd.ExecuteReader();



        FileStream fs;

        BinaryWriter bw;



         byte[] outbyte = null;



        string filePath = @"D:\word.doc";



        while (sdr.Read())

        {

            fs = new FileStream(filePath, FileMode.OpenOrCreate, FileAccess.Write);

            bw = new BinaryWriter(fs);



            outbyte=(byte[])sdr["content"];

            bw.Write(outbyte, 0, outbyte.Length);

            

            bw.Flush();

            bw.Close();

            fs.Close();

        }

        sdr.Close();

        con.Close();

    }