ASP.NET page level variable

Question

What's the best way (if there is a way) to define a variable for use by controls on one page, but should be disposed of after navigating away from that page? Is there anything like HttpContext.Current.Items that only persists per page?

Can you just define a variable on the class that inherits from Page itself? You can retrieve the Page on which the controls exist from within the control itself (user or otherwise) via the Page property, cast it to the sub-class type, and access the variable. You could also subclass UserControl if it's just the user controls that are going to need it. — Cᴏʀʏ
– Cᴏʀʏ, Commented Mar 26, 2012 at 17:57
That sounds good, I'll try that if there's no 'easy' way to do it, thanks — TimCodes.NET
– TimCodes.NET, Commented Mar 26, 2012 at 17:59
It is possible; I didn't mean to ask whether it was -- I was suggesting it as a solution. — Cᴏʀʏ
– Cᴏʀʏ, Commented Mar 26, 2012 at 18:00
Ah, just seen in Intellisense that there is already a Page.Items - so I'll give that a go — TimCodes.NET
– TimCodes.NET, Commented Mar 26, 2012 at 18:11

walther · Accepted Answer · 2012-03-26 17:58:01Z

2

There's a thing called Viewstate http://msdn.microsoft.com/en-us/library/ms972976.aspx

that may provide the functionality you want. If not, try to be more specific on how do you want to use those variables.

answered Mar 26, 2012 at 17:58

walther

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