WFA_psychometric_chart.Form1_main.UpdateNewDataFromDGV C# (CSharp) Method

        public void UpdateNewDataFromDGV(string name, string chartID)
        {
            if(name == "")
            {
                //If name is empty the do not update
                return;
            }

            //string newTableNodeName = "tbl_" + name + "_node";
            //string newTableLineName = "tbl_" + name + "_line";
            string buildingNameValue = selectedBuildingList[0].BuildingName;
            string tableNameOfChart = "tbl_" + buildingNameValue + "_chart_detail";

            string databasePath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
            string databaseFile = databasePath + @"\db_psychrometric_project.s3db";
            string connString = @"Data Source=" + databaseFile + ";Version=3;";

            using (SQLiteConnection connection = new SQLiteConnection(connString))
            {
                connection.Open();
                //SQLiteDataReader reader = null;
                string sql_string = "update " + tableNameOfChart + "   set  chartName=@chartName_value  where chartID = @chartID_value;";
                SQLiteCommand command = new SQLiteCommand(sql_string, connection);
                command.CommandType = CommandType.Text;
                command.Parameters.AddWithValue("@chartName_value", name);
                command.Parameters.AddWithValue("@chartID_value", chartID);
                // command.Parameters.AddWithValue("@line_table_value", newTableLineName);
                // command.Parameters.AddWithValue("@id_provided", id);
                //MessageBox.Show("selected value = " + cb_station_names.SelectedItem.ToString());
                command.ExecuteNonQuery();
            }
        }