private void TileLapTheDocGia_Click(object sender, EventArgs e) { lblTitel_Click(sender, e); GridViewDSTheDocGia.Visible = true; GridViewDSTheDocGia.Location = new Point(250, 137); GridViewDSTheDocGia.Size = new Size(889, 333); btnDatPhieu.Visible = true; btnDatPhieu.Location = new Point(1155, 432); btnSuaPhieu.Visible = true; btnSuaPhieu.Location = new Point(1155, 387); btnXoaPhieu.Visible = true; btnXoaPhieu.Location = new Point(1155, 342); btnEXLapThe.Visible = true; btnEXLapThe.Location = new Point(1155, 297); btnReportTheDocGia.Visible = true; btnReportTheDocGia.Location = new Point(1155, 259); lblTieuTeTabQL.Visible = true; lblTieuTeTabQL.Text = "Danh Sách Các Thẻ Độc Giả"; Class.XuLyThuVien KiemTra = new Class.XuLyThuVien(); GridViewDSTheDocGia.DataSource = KiemTra.DataViewTheDocGia(); }