Analysis of the showModalDialog data cache problem (solved by disabling browser cache) _ javascript skills

When showModalDialog is used, the data displayed is the data before the last modification. This is because the cache is saved on the page by default, therefore, the displayed data is not the case after modification. If you want to display the latest data, you need to set it on the page to cancel the cache.

Add the following code to the Head label of the showModalDialog page:

In this way, the page will not be cached. This ensures that the latest data is displayed after the page is opened again after the data is modified.

HTML

Disable the browser from accessing the page from the local cache.
The webpage is not saved in the cache, and the page is refreshed every time the webpage is accessed.

Similar to above, page must be reloaded

The expiration time of a webpage in the cache is 0. Once the webpage expires, you must subscribe to it from the server.

. NET
Response. Expires =-1;