how to retrieve image from ms access database in asp.net?

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C#

C#4.0

Hello, I have saved some images in ms access database and i want to retrieve those images in Image field in front end. I have saved images in "OLE Object" format. Whenever i"m trying to retrieve those images it gives me an error "The file 'C:\Program Files\Common Files\Microsoft Shared\DevServer\10.0\130064593738380337' already exists.". Please solve my problem. Thanks....

protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
    {
        cn.Open();
        OleDbCommand cm = new OleDbCommand("select * from ImageCollection where img_id='"+DropDownList1.SelectedItem.ToString()+"'",cn);
        OleDbDataAdapter da = new OleDbDataAdapter(cm);
        OleDbDataReader dr = cm.ExecuteReader();
        try
        {
            if (dr.Read())
            {

                string image1 = Convert.ToString(DateTime.Now.ToFileTime());
                string image2 = Convert.ToString(DateTime.Now.ToFileTime());
                FileStream fs1 = new FileStream(image1, FileMode.CreateNew, FileAccess.Write);
                FileStream fs2 = new FileStream(image2, FileMode.CreateNew, FileAccess.Write);
                byte[] bimage1 = (byte[])dr["passport_photo"];
                byte[] bimage2 = (byte[])dr["sign_photo"];
                fs1.Write(bimage1, 0, bimage1.Length - 1);
                fs2.Write(bimage2, 0, bimage2.Length - 1);
                fs1.Flush();
                fs2.Flush();
                Image1.ImageUrl = Convert.ToString(fs1);
                Image2.ImageUrl = Convert.ToString(fs2);
            }
            dr.Close();
            cn.Close();
        }
        catch (Exception ex)
        {
            throw ex;
        }