Recoding Using the Template Method Design Pattern

        /// Initialize Current Activity        
        private void InitCommonVariables()
        {
            // Get Selected Activity
            currentActivity = (Progress.Model.ProgressActivity)this.Activity;
            if (currentActivity.BNodeLevel == (int)ActivityNodeLevel.Kojun)
            {
                // Ready to Set ComboBox Items from M_STDLDTM DataTable
                dtMSTDLDTM = ((ProgressGanttModel)(currentActivity.GanttModel)).dtMSTDLDTM;
                if (dtMSTDLDTM.Rows.Count > 0)
                {
                    // Set Primary Key of Table for Row Search
                    System.Data.DataColumn[] primaryKey = new System.Data.DataColumn[1];
                    primaryKey[0] = dtMSTDLDTM.Columns[0];
                    dtMSTDLDTM.PrimaryKey = primaryKey;
                    listWrkID = new ArrayList();
                    listWrkNM = new ArrayList();
                    // Set Filter
		    String filter = "";
                    if (initParams.scheduleType == EnumScheduleType.Mschedule)
                    {
                 	filter = "SCH_TYP<>2";
                    }
                    else if (initParams.scheduleType == EnumScheduleType.Sschedule)
                    {
                 	filter = "SCH_TYP=2";
                    }
                    filter = "(" + filter + ") AND (DEL_FLG<>1)";
      		    // Initialize ArrayList
                    foreach (System.Data.DataRow row in dtMSTDLDTM.Select(filter))
                    {
                        listWrkID.Add(row["WRK_ID"].ToString());
                        listWrkNM.Add(row["WRK_NM"].ToString());
                    }
                }
  		// If DataTable has no Column Add Columns for Error Handling
                if (dtMSTDLDTM.Columns.Count == 0)
                {
                    System.Data.DataColumn wrkIDColumn = new System.Data.DataColumn("WRK_ID");
                    System.Data.DataColumn wrkNMColumn = new System.Data.DataColumn("WRK_NM");
                    dtMSTDLDTM.Columns.Add(wrkIDColumn);
                    dtMSTDLDTM.Columns.Add(wrkNMColumn);
                }
                // Ready to Set ComboBox Items from M_EVENT DataTable
                if (currentActivity.BEventFlg == 1)
                {
                    dtMEVENT = ((ProgressGanttModel)(currentActivity.GanttModel)).dtMEVENT;
                    if (dtMEVENT.Rows.Count > 0)
                    {
                        // Set Primary Key of Table for Row Search
                        primaryKey = new System.Data.DataColumn[1];
                        primaryKey[0] = dtMEVENT.Columns[0];
                        dtMEVENT.PrimaryKey = primaryKey;
                        listEventID = new ArrayList();
                        listEventNM = new ArrayList();
       			// Initialize ArrayList
                        foreach (System.Data.DataRow row in dtMEVENT.Rows)
                        {
                            listEventID.Add(row["EVENT_ID"].ToString());
                            listEventNM.Add(row["EVENT_NM"].ToString());
                        }
                    }
     		    // If DataTable has no Column Add Columns for Error Handling
                    if (dtMEVENT.Columns.Count == 0)
                    {
                        System.Data.DataColumn eventIDColumn = new System.Data.DataColumn("EVENT_ID");
                        System.Data.DataColumn eventNMColumn = new System.Data.DataColumn("EVENT_NM");
                        dtMEVENT.Columns.Add(eventIDColumn);
                        dtMEVENT.Columns.Add(eventNMColumn);
                    }
  		}
     	    }
 	}