private void btnDiem_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
Form frmAction = CheckExists(typeof(FormDiem));
if (frmAction != null)
{
frmAction.Activate();
}
else
{
FormDiem frmDiem = new FormDiem();
frmDiem.MdiParent = this;
frmDiem.Show();
btnLop.Enabled = false;
btnSinhVien.Enabled = false;
btnMonHoc.Enabled = false;
btnDangXuat.Enabled = false;
groupBaoCao.Enabled = false;
groupTaiKhoan.Enabled = false;
}
}
private void button6_Click(object sender, EventArgs e)
{
hideAllFrom();
f3.Show();
}
