using (SqlConnection con = new SqlConnection("Data Source=.\\SQLEXPRESS;AttachDbFilename=PLACE DATABASE DIRECTORY HERE;Integrated Security=True;User Instance=True"))
            using (SqlCommand cmd = new SqlCommand("PLACE UPDATE STATEMENT HERE", con))
            {
                try
                {
                    con.Open();
                    cmd.ExecuteNonQuery();
                    Response.Redirect(Request.RawUrl);
                }

                catch (SqlException ex)
                {
                }

                finally
                {
                    con.Close();
                }
            }