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StateBag::Add Method

Adds a new StateItem object to the StateBag object. If the item already exists in the StateBag object, this method updates the value of the item.

Namespace:  System.Web.UI
Assembly:  System.Web (in System.Web.dll)

public:
StateItem^ Add(
	String^ key, 
	Object^ value
)

Parameters

key
Type: System::String
The attribute name for the StateItem.
value
Type: System::Object
The value of the item to add to the StateBag.

Return Value

Type: System.Web.UI::StateItem
Returns a StateItem that represents the object added to view state.

ExceptionCondition
ArgumentException

key is nullptr.

- or -

The number of characters in key is 0.

The following code example demonstrates using the Add method.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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