Your solution will depend on the source of that error message. Normally the BACK button will redisplay any page and/or form data just the way it was left. Exceptions are pages and/or forms with session control. When the session quits and/or times out, the previous session page or data is lost. You will not be able to fix the session problem without a thorough understanding of how the particular session control has been implemented other than to remove sessions altogether.
In short there is no easy answer, and you have not provided enough data in order for me to understand what the problem is or how to fix it.
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hi,
a user filling out my form lost all data that was in their fields after clickin "back" after seeing the following message.
"The code you entered was invalid.
Please use your browsers Back button to return to the previous page and try again."
please let me know if there's a way to retain the entered form data - my form is quite long.
Your solution will depend on the source of that error message. Normally the BACK button will redisplay any page and/or form data just the way it was left. Exceptions are pages and/or forms with session control. When the session quits and/or times out, the previous session page or data is lost. You will not be able to fix the session problem without a thorough understanding of how the particular session control has been implemented other than to remove sessions altogether.
In short there is no easy answer, and you have not provided enough data in order for me to understand what the problem is or how to fix it.