Request.UrlReferrer.ToString() ->System.NullReferenceException: Object reference not set to an instance of an object

Question

When I try Request.UrlReferrer.ToString() this error occures:

System.NullReferenceException: Object reference not set to an instance of an object

McGarnagle · Accepted Answer · 2012-08-29 23:26:10Z

21

You have to check if UrlReferrer is null, as it's not always set (ie, when someone typed the URL directly into the address bar, or clicked on a bookmark)...

(Request.UrlReferrer == null) ? "" : Request.UrlReferrer.ToString()

answered Aug 29, 2012 at 23:26

McGarnagle

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