hi how to pass string value from mainwindow to another window using constructor

Question

i create a user login form i want to show username in text box in second window after i login

Answer 1

In SoloLearn we have only a few options for doing this with a single file to work with. Here is an example:

https://code.sololearn.com/W5GQwIkhEv2e/#html

If you are building a serious web application I would recommend using a javascript library such as Auth 0 in which case the username will be available over API after the user has logged in.