picture filepath not stored how to changed

namespace photo
  {
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
        }
        protected void Button1_Click(object sender, EventArgs e)
         {
             onflbload(sender, e);
         }
        public void onflbload(object sender, EventArgs e)
       {
        // Create a byte[] from the input file
        int len = flbload.PostedFile.ContentLength;
        byte[] pic = new byte[len];
        flbload.PostedFile.InputStream.Read(pic, 0, len);
        // Insert the image and comment into the database
        SqlConnection connection = new SqlConnection(@"Data Source=DEVI\SQLEXPRESS; 
                          Initial Catalog =cat; Integrated Security=SSPI");
        try
        {
            connection.Open();
            SqlCommand cmd = new SqlCommand("insert into tblphotosettings "+ "(BillNo,CustomerName,Address,StartDate,EndDate,Systemurl,Numberofcopies,Amount,Total ) values (@BillNo,@CustomerName,@Address,@StartDate,@EndDate,@Systemurl,@Numberofcopies,@Amount,@Total)", connection);
            cmd.Parameters.Add("@BillNo", SqlDbType.NVarChar).Value = TextBox1.Text;
            cmd.Parameters.Add("@CustomerName", SqlDbType.NVarChar).Value =TextBox2.Text;
            cmd.Parameters.Add("@Address", SqlDbType.NVarChar).Value = TextBox3.Text;
            cmd.Parameters.Add("@StartDate", SqlDbType.NVarChar).Value =Rdbsdate.SelectedDate;
            cmd.Parameters.Add("@EndDate", SqlDbType.NVarChar).Value =Rdbddate.SelectedDate;
            cmd.Parameters.Add("@Systemurl", SqlDbType.Image).Value = pic;
            SqlParameter Src = new SqlParameter("@FilePath", SqlDbType.VarChar, 450);
            cmd.Parameters.Add(Src);
            cmd.Parameters.Add("@Numberofcopies", SqlDbType.NVarChar).Value =TextBox7.Text;
            cmd.Parameters.Add("@Amount", SqlDbType.NVarChar).Value = TextBox8.Text;
            cmd.Parameters.Add("@Total", SqlDbType.NVarChar).Value = TextBox9.Text;
            cmd.ExecuteNonQuery();
        }
        finally
        {
            connection.Close();
        }
    }
}
}