Dynamic Table Creation Test02 - Wrong Code

Error ocuured

class MainActivity : AppCompatActivity() {


    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        val TL1 = findViewById(R.id.myTableLayout) as TableLayout;
        val TR1 = TableRow(this);
        var B1 = Button(this);
        B1.setText("Dynamic Button1");
        TR1.addView(B1);
        B1.setText("Dynamic Button2");
        TR1.addView(B1);
        TL1.addView(TR1);
    }
}