// xử lý nút thêm nhà cung cấp private void btnThemNCC_Click(object sender, EventArgs e) { Frm_NhaCungCap ncc = new Frm_NhaCungCap(); ncc.MdiParent = FormMain.ActiveForm; ncc.Show(); }
private void btn_NhaCungCap_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { Form frm = this.ExistForm(typeof(P_Layer.Frm_NhaCungCap)); if (frm != null) { frm.Activate(); } else { P_Layer.Frm_NhaCungCap NhaCungCap = new P_Layer.Frm_NhaCungCap(); NhaCungCap.MdiParent = this; NhaCungCap.Show(); } }