Forms authentication issue

Question

I am using VSTS 2008 + C# + .Net 3.5 + ASP.Net + IIS 7.0. And I am implementing Forms authentication.

I want to know in Forms authentication, how to check whether a user is already authenticated or not?

keyboardP · Accepted Answer · 2009-12-28 05:13:52Z

7

You can use HttpContext.Current.User.Identity.IsAuthenticated to check whether they're authenticated. For example

if(User.Identity.IsAuthenticated)
{
Response.Write("Logged in already");
}
else
{
Response.Write("Please log in");
}

answered Dec 28, 2009 at 5:13

keyboardP

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2 Comments

George2 Over a year ago

When User.Identity will be set? In my current code, I just call "FormsAuthentication.SetAuthCookie(someusernumber, false)", will this method set User.Identity?

keyboardP Over a year ago

Yes it will because SetAuthCookie authenticates the user. You may have to reload the page after setting the cookie. A check for authentication after SetAuthCookie will return true.

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