public void fillDataGridViewLocationAttendance(DataGridView dataGridView, string locationName, int month, int year)
{
locationControl = new LocationControl();
attendance = new Attendance();
attendanceDB = new AttendanceDB();
int locationID = locationControl.getID(locationName);
attendance.setLocationID(locationID);
attendance.setMonth(month);
attendance.setYear(year);
SqlDataAdapter adapter = attendanceDB.fillDataGridViewLocationAttendance(attendance);
DataTable dataTable = new DataTable();
adapter.Fill(dataTable);
dataGridView.DataSource = dataTable;
}