After the SideNavigation item switch, the use state of the page can not be preserved, such as selecting the checkbox of page A, switch back to another page, the page has changed to the initial state, can not retain the last operation state, so that each time a new page object will be instantiated, there will be resource loss and usage errors
After the SideNavigation item switch, the use state of the page can not be preserved, such as selecting the checkbox of page A, switch back to another page, the page has changed to the initial state, can not retain the last operation state, so that each time a new page object will be instantiated, there will be resource loss and usage errors