WFA_psychometric_chart.Form1_main.InsertLineInfoToDB C# (CSharp) Method

        public void InsertLineInfoToDB(string id, string prevNodeId, string nextNodeId, Color lineColor, Series lineSeriesVal, int linethickness)
        {
            //--Note for series the series.name property will be stored in databse and later it will be converted.
            string lineSeriesName = lineSeriesVal.Name;
            //string tableName = currentLineTableFromDB;
            string tableName = "tbl_" + selectedBuildingList[0].BuildingName + "_line_value";   // currentLineTableFromDB;
            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();
                string sql_string = "insert into " + tableName + "(chart_respective_lineID,lineID,prevNodeId,nextNodeId,lineColorValue,lineSeriesId,thickness,name,status) VALUES(@chartid,@id,@pn,@nn,@lc,@ls,@thicknessValue,@nameVal,@statusVal)";
                SQLiteCommand command = new SQLiteCommand(sql_string, connection);
                command.CommandType = CommandType.Text;
                command.Parameters.AddWithValue("@chartid", chartDetailList[indexForWhichChartIsSelected].chart_respective_lineID);
                command.Parameters.AddWithValue("@id", id);
                command.Parameters.AddWithValue("@pn", prevNodeId);
                command.Parameters.AddWithValue("@nn", nextNodeId);
                command.Parameters.AddWithValue("@lc", ColorTranslator.ToHtml(lineColor));
                command.Parameters.AddWithValue("@ls", lineSeriesName);
                command.Parameters.AddWithValue("@thicknessValue", linethickness);
                command.Parameters.AddWithValue("@nameVal", lineName);
                command.Parameters.AddWithValue("@statusVal", lineStatus_ON_OFF);
                command.ExecuteNonQuery();
            }


        }