private void frmMain1_Load(object sender, EventArgs e) { if (dn.GetQuyenNV(frmDangNhap.LuuThongTin.MANV) == false) { rbQLTK.Visible = false; rbQLHang.Visible = false; rbQLNCC.Visible = false; rbQLNV.Visible = false; rbNhapHang.Visible = false; itemNhapHang.Visible = false; itemLSNhap.Visible = false; } lblTenNV.Caption = "Xin chào " + nv.GetTenNV(frmDangNhap.LuuThongTin.MANV); }