private Sms_Credentils_Model getSmsCredentials()
        {
            String query = "Select * from smsCredentials_tb where id=1";
            Sms_Credentils_Model creModel = new Sms_Credentils_Model();

            try
            {
                using (SqlConnection connect = new SqlConnection(this.connection))
                {
                    connect.Open();
                    SqlCommand    com    = new SqlCommand(query, connect);
                    SqlDataReader reader = com.ExecuteReader();

                    while (reader.Read())
                    {
                        creModel.user_number   = reader["user_number"].ToString();
                        creModel.user_password = reader["user_password"].ToString();
                    }
                    return(creModel);
                }
            }
            catch (Exception e)
            {
                creModel.errorMessage = e.Message;
                return(creModel);
            }
        }
        public NotifySMS()
        {
            connection = DbContext.ConnectDb();

            smsCreMd      = getSmsCredentials();
            this.username = smsCreMd.user_number;
            this.password = smsCreMd.user_password;
        }