[Question] NavigationRail and Routing

[emojiiii]

Question

When using routing with flet, the left side of the page is a NavigationRail navigation bar, and the right side is the page content. The code is as follows:

page.views.append(
    ft.View(
        "/",
        [
            ft.Row(
                [
                    rail,
                    ft.VerticalDivider(width=1),
                    ft.Column(
                        [
                            ft.Text("Home Body!")
                        ],
                        alignment=ft.MainAxisAlignment.START,
                        expand=True
                    )
                ],
                expand=True
            )
        ]
    )
)

page.views.append(
    ft.View(
        "/test",
        [
            ft.Row(
                [
                    rail,
                    ft.VerticalDivider(width=1),
                    ft.Column(
                        [
                            ft.Text("Test Body!")
                        ],
                        alignment=ft.MainAxisAlignment.START,
                        expand=True
                    )
                ],
                expand=True
            )
        ]
    )
)

Is it possible to only render the content on the right side when the route changes, without rendering the left side?

Code sample

No response

Error message

No response

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• I have searched for answers to my question both in the issues and in previous discussions.

[lekshmanmj]

technically possible.

def on_route_change(e):
    # some code
    if e.route == '/target_route':
        # instead of appending new view
        # please try to update the content of target control