//delete all
private void button3_Click(object sender, EventArgs e)
{
button3.Enabled = false;
Cursor.Current = Cursors.WaitCursor;
ATINChamCongEntities context = new ATINChamCongEntities();
switch (WorkCalendarShowType)
{
case "week":
context.spDeleteAllLichTrinhTuanByLichTrinh(lichTrinh.MaLichTrinh);
break;
case "month":
context.spDeleteAllLichTrinhThangByLichTrinh(lichTrinh.MaLichTrinh);
break;
case "year":
context.spDeleteAllLichTrinhNamByLichTrinh_Month(lichTrinh.MaLichTrinh, comboBox1.SelectedIndex + 1);
break;
}
TreeView1Config(listView2);
Cursor.Current = Cursors.Default;
button3.Enabled = true;
}
