public void Initialize()
{
styleForeColorRed = new DataGridViewCellStyle();
styleForeColorRed.ForeColor = Color.Red;
schedule = new Schedule(StaticSQLiteHelper.GetSchedule());
nightSchedule = new Schedule(StaticSQLiteHelper.GetNightSchedule());
morningSchedule = new Schedule(StaticSQLiteHelper.GetMorningSchedule());
dgv.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
TestConflict();
lockedStyle = new DataGridViewCellStyle();
lockedStyle.BackColor = dgv.DefaultCellStyle.SelectionBackColor;
lockedStyle.ForeColor = dgv.DefaultCellStyle.SelectionForeColor;
LoadClassList();
adjustDataGridViewStyle();
loadClassSchedule(0);
rbExchange.Checked = true;
loadHistory();
}