public void DeleteFromMyRentTable(int rId)
{
if (DatabaseLinker.DeleteTakepartin(pId, rId))
{
RentTable = DatabaseLinker.GetPersonRentTable(pid);
}
}
private void TBChoose_MouseDown(object sender, MouseButtonEventArgs e)
{
if (rent.Time.BeenOver)
{
MessageBox.Show("这个课程或活动已经结束了。");
return;
}
if (father.personRentTable.Contains(rent.rId))
{
if (MessageBox.Show("确定删除 \"" + rent.Info + "\"？", "删除课程", MessageBoxButton.YesNo) == MessageBoxResult.Yes)
{
DatabaseLinker.DeleteTakepartin(father.Peron.pId, rent.rId);
father.personRentTable.Remove(rent);
father.RefreshSchedule();
this.Close();
}
}
else
{
Rent rr = father.personRentTable.Add(rent.rId);
if (rr == null)
{
DatabaseLinker.AddTakepartin(father.Peron.pId, rent.rId);
}
else
{
MessageBox.Show("添加失败。此课程同您的课程 \"" + rr.Info + "\" 存在冲突。");
if (!rent.Time.OnceActivity)
{
father.GotoDateClass(rr.Time.StartDate, rr.Time.StartClass);
}
}
father.RefreshSchedule();
this.Close();
}
}