Add Method (Cookie)

CookieContainer.Add Method (Cookie)

Adds a Cookie to a CookieContainer. This method uses the domain from the Cookie to determine which domain collection to associate the Cookie with.

Namespace: System.Net
Assembly: System (in system.dll)

public void Add (
	Cookie cookie
public void Add (
	Cookie cookie
public function Add (
	cookie : Cookie
Not applicable.



The Cookie to be added to the CookieContainer.

Exception typeCondition


cookie is a null reference (Nothing in Visual Basic).


The domain for cookie is a null reference (Nothing in Visual Basic) or the empty string ("").


cookie is larger than maxCookieSize.


the domain for cookie is not a valid URI.

If the Count property equals or exceeds the Capacity property, one or more Cookie instances are removed from the container before adding the cookie parameter. Enough Cookie instances are removed to bring Count below Capacity as follows: if there are expired instances in the given scope, they are cleaned up. If not, then the least recently used CookieCollection is found and removed from the container.

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

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