private void btnthemlop_Click(object sender, EventArgs e)
{
var f = new frmLopchitiet();
if (f.ShowDialog() == DialogResult.OK)
{
LoadDanhSachLopHoc();
}
}
private void btnsualop_Click(object sender, EventArgs e)
{
var lopDangChon = bdsLopHoc.Current as Classroom;
if (lopDangChon != null)
{
var f = new frmLopchitiet(lopDangChon);
if (f.ShowDialog() == DialogResult.OK)
{
LoadDanhSachLopHoc();
}
}
}