I am having Two controllers One is LoginScreen and other is HomeScreen.
In Login Screen i am having one TextField(txtData is variable name) ane one button (btnOk is var name). On clicking ok button it will open HomeScreen.

In HomeScreen i am having One TextField(txtFill is var name) and one button (btnClose is var name). I will write "Sending data" in TextField(txtFill) control in HomeScreen. I will click on Close button in HomeScreen.How to receive the data in TextFiled in HomeScreen and show it in TextField(txtData) in Login Screen.

please show me some sample code.