Hello,
I've began learning from this great book and have a question regarding theme selection , mechanism presented in chapter 2.

In this chapter suggested to use static property ThemesSelectorID to store the UniqueID of the listbox and to use Request.Form["__EVENTTARGET"] for retrieving the actual data from the listbox.

My question is why can't I just use this global static string to store the selected theme?

Thnaks

Hi Yevi,

As ThemesSelectorID is a global static string, it is tied to the whole Application, not each user session - every session can read and update the same bit of data. In this way, static variables work in a very similar way to the Application object in ASP3, but are far more efficient (http://www.devx.com/vb2themax/Tip/18845)

If you stored the name of the theme as a static string, one person could set the theme to TemplateMonster, but the next person who visits a page will also get the TemplateMonster theme. We want the ID of the control to be the same for everyone, not the name of the theme. Using Session directly or indirectly, as shown in BasePage.cs, is really the only way to store per-user settings.

HTH
Phil

Great answer.
Know i understand that static var is tied to all sessions.
Thank you!