//get from database - DataGridView
public static Unavailability_Course FromDatabase(DataGridView datagridView, int i = -1)
{
if (i == -1)
{
if (datagridView.CurrentRow != null)
{
i = datagridView.CurrentRow.Index;
}
}
if (i == -1)
{
return(null);
}
if (datagridView[0, i].CellValue() == null || datagridView[1, i].CellValue() == null ||
datagridView[2, i].CellValue() == null)
{
return(null);
}
//new Unavailability_Course
string courseCode = datagridView[0, i].CellValue();
string dateString = datagridView[1, i].CellValue();
int timeSlot = int.Parse(datagridView[2, i].CellValue());
Unavailability_Course unavailabilityCourse = Unavailability_Course.FromDatabase(courseCode, dateString, timeSlot);
return(unavailabilityCourse);
}