private void tab4cmdDoanhThuKH_Click(object sender, EventArgs e) { if (this.ActiveMdiChild != null) { this.ActiveMdiChild.Close(); } BaoCao.frmDoanhthuKH frm = new Pharmacy.BaoCao.frmDoanhthuKH(); frm.MdiParent = this; frm.Show(); }
private void tab4cmdDoanhThuKH_Click(object sender, EventArgs e) { if (this.ActiveMdiChild != null) this.ActiveMdiChild.Close(); BaoCao.frmDoanhthuKH frm = new Pharmacy.BaoCao.frmDoanhthuKH(); frm.MdiParent = this; frm.Show(); }