private void tab4cmdDoanhThu_Click(object sender, EventArgs e) { if (this.ActiveMdiChild != null) { this.ActiveMdiChild.Close(); } BaoCao.frmDoanhthuBH frm = new Pharmacy.BaoCao.frmDoanhthuBH(); frm.MdiParent = this; frm.Show(); }
private void tab4cmdDoanhThu_Click(object sender, EventArgs e) { if (this.ActiveMdiChild != null) this.ActiveMdiChild.Close(); BaoCao.frmDoanhthuBH frm = new Pharmacy.BaoCao.frmDoanhthuBH(); frm.MdiParent = this; frm.Show(); }