protected void btnagree_Click(object sender, EventArgs e) { if (txtoldpassword.Text == tk.matKhau && txtnewmatkhau2.Text == txtnewmatkhau.Text) { TaiKhoan tkn = new TaiKhoan(); tkn.maTaiKhoan = tk.maTaiKhoan; tkn.tenTaiKhoan = tk.tenTaiKhoan; tkn.matKhau = txtnewmatkhau.Text; tkn.loaiTaiKhoan = tk.loaiTaiKhoan; tkn.anh = tk.anh; lblalert.Text = tkc.editTaiKhoan(tkn); Session["tk"] = tkn; //Response.Redirect("AccountDetailView.aspx"); } else { lblalert.Text = "Sai mật khẩu"; } }