Imagine I have two webpages, namely page1.aspx and page2.aspx. The scenario is as follows: in page1.aspx, I use window.open() in JavaScript to call page2.aspx and pass a query string. Then, in page2.aspx (the child page), I need to gather user information and once submitted, pass all the collected data back to page1.aspx (the parent page). How can this situation be tackled?
One useful feature is the window.postMessage() method, which allows for communication between a page that triggers a popup and the popup itself. It's important to note that this method is not supported by IE Mobile.
In order to ensure that the data is properly stored, consider reloading page1 after submitting page2 using javascript if the information is stored in a database. If not, it is recommended to store the data in a session and then reload the page.
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