//It creates the ListView Report for the Week
        private void createListViewDayReport(DateTime myDate)
        {
            //It gets the usernames of the Instructors and creates the columns of the ListView
            ControlFunctions.createListViewColumns(listViewDay, "Time", instructorsUserNames, "Total", 60, 65, 55);
            //It gets the times of the day and creates the Items of the ListView
            timesOfDate = DBData.getTimesOfDay(dateTimePickerWeek.Value);
            //It adds the total per Instructor
            timesOfDate.Add("Total");
            //It creates the ListView Items
            ControlFunctions.createListViewItems(listViewDay, timesOfDate);

            //It creates the array of arrays of hours scheduled per Time and Instructor plus one for the Totals
            string[][] hoursScheduledMatrix = new string[timesOfDate.Count][];
            for (int j = 0; j < timesOfDate.Count; j++)
            {
                hoursScheduledMatrix[j] = new string[instructorsUserNames.Count + 1];
            }
            //It initializes the arrays to zeros
            for (int j = 0; j < instructorsUserNames.Count; j++)
            {
                for (int i = 0; i < timesOfDate.Count; i++)
                {
                    hoursScheduledMatrix[i][j] = "0";
                }
            }
            //It fills in the arrays
            for (int j = 0; j < instructorsUserNames.Count; j++)
            {
                List <string> timesScheduled = new List <string>();
                //It gets the Schedule for each Instructor for the selected Date
                timesScheduled = DBData.getInstructorScheduleForDate(instructorsUserNames[j], myDate);
                for (int i = 0; i < timesOfDate.Count; i++)
                {
                    foreach (string time in timesScheduled)
                    {
                        if (timesOfDate[i] == time)
                        {
                            hoursScheduledMatrix[i][j] = "1";
                            break;
                        }
                        else
                        {
                            hoursScheduledMatrix[i][j] = "0";
                        }
                    }
                }
            }
            //It adds the Totals per Time
            for (int i = 0; i < timesOfDate.Count; i++)
            {
                hoursScheduledMatrix[i][instructorsUserNames.Count] = "0";
                for (int j = 0; j < instructorsUserNames.Count; j++)
                {
                    hoursScheduledMatrix[i][instructorsUserNames.Count] = (int.Parse(hoursScheduledMatrix[i][instructorsUserNames.Count]) + int.Parse(hoursScheduledMatrix[i][j])).ToString();
                }
            }
            //It adds the Totals per Instructor
            for (int j = 0; j < instructorsUserNames.Count; j++)
            {
                hoursScheduledMatrix[timesOfDate.Count - 1][j] = "0";
                for (int i = 0; i < timesOfDate.Count - 1; i++)
                {
                    hoursScheduledMatrix[timesOfDate.Count - 1][j] = (int.Parse(hoursScheduledMatrix[timesOfDate.Count - 1][j]) + int.Parse(hoursScheduledMatrix[i][j])).ToString();
                }
            }
            //It copies all the data to the listView in the Subitems
            ControlFunctions.createListViewSubitems(listViewDay, hoursScheduledMatrix);
        }