private void OnbtnQuanLyLoaiSanh_MouseClick(object sender, MouseEventArgs e)
{
if (!IsOpened("frmQuanLyLoaiSanh"))
{
frmQuanLyLoaiSanh quanlyloaisanh = new frmQuanLyLoaiSanh();
quanlyloaisanh.MdiParent = this;
quanlyloaisanh.Name = "frmQuanLyLoaiSanh";
quanlyloaisanh.Show();
}
}
private void btLoaiSanh_Click(object sender, EventArgs e)
{
frmQuanLyLoaiSanh frmQLLSanh = new frmQuanLyLoaiSanh();
frmQLLSanh.Show();
}
