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First of all make sure about two things for your application:

*) are you running stateful or stateless?

*) are you using just an application class or a "real" model class according to MVC?

Ok, apart from that, here is what you have to distinguish between for your problem:

Values from page1 are sent to server on submitting the form, now you can handle them on the server.

For stateless applications it is ok (one possible way) to place these values again in the next page to have them again in the next response. But as you are using MVC, let's look at the stateful advantages ...

Your model is the place where you can store all your session values, like the values from the form in page1. So, after page1 is submitted, you just assign the values to attributes of your model, then you don't have to place them in page2 again.

After the user entered a description and submitted page2, you just use the data stored in the model.

Where exactly is it that you loose your values? On the way from client to server (form submit), or do you place them in appplication class/model and they disappear there?