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HttpContext.Items[] vs Session[]


Since .NET first became available, passing data around during a request has become a lot easier.  The ability to set a property has made that so.  Still, there are times when setting a property just won’t do the trick.

One such time is getting data from the middle tier back up to the view separate from a DataBinding operation.  That is, you databind a control to the middle tier and that method needs to set a value that will be used elsewhere in the view, not in the item that is being bound.

The natural, obvious tendency is to set a session variable.  But there is a better way.

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