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(); }