item_list

                item_list[0] = sch_ids_sch.Text;// id
                item_list[1] = sch_name_sch.Text;// name
                item_list[2] = "aca";// aca_name
                item_list[3] = DT.Year.ToString();
                item_list[4] = DT.Month.ToString();

                TextBlock x_day = dataGrid1.Columns[0].GetCellContent(dataGrid1.Items[i-1]) as TextBlock;
                item_list[5] = x_day.Text; //day

                TextBlock x_week_num = dataGrid1.Columns[1].GetCellContent(dataGrid1.Items[i - 1]) as TextBlock;
                item_list[6] = x_week_num.Text; //weeknum

                DateTime DT_for = DateTime.Parse(x_day.Text, cultures);

                int monday_first = (int)DT_for.DayOfWeek  +1;

    
               
                item_list[7] = monday_first.ToString(); //DayOfWeek (monday first)

                TextBlock x_weekday_name = dataGrid1.Columns[2].GetCellContent(dataGrid1.Items[i - 1]) as TextBlock;
                item_list[8] = x_weekday_name.Text(); //DayOfWeek_name

                item_list[19] = sch_memo.Text;// 메모
                item_list[20] = DateTime.Now.ToString();// 시간