StateBag.Add(String, Object) Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
public:
System::Web::UI::StateItem ^ Add(System::String ^ key, System::Object ^ value);
public System.Web.UI.StateItem Add (string key, object value);
member this.Add : string * obj -> System.Web.UI.StateItem
Public Function Add (key As String, value As Object) As StateItem
Parameters
Returns
Returns a StateItem that represents the object added to view state.
Exceptions
Examples
The following code example demonstrates using the Add method.
void MovePiece(string fromPosition, string toPosition) {
StateBag bag = ViewState;
object piece = bag[fromPosition];
if (piece != null) {
bag.Remove(fromPosition);
bag.Add(toPosition, piece);
RenderBoard();
}
else {
throw new InvalidPositionException("There is no game piece at the \"from\" position.");
}
}
Sub MovePiece(fromPosition As String, toPosition As String)
Dim bag As StateBag = ViewState
Dim piece As Object = bag(fromPosition)
If Not (piece Is Nothing) Then
bag.Remove(fromPosition)
bag.Add(toPosition, piece)
RenderBoard()
Else
Throw New InvalidPositionException("There is no game piece at the ""from"" position.")
End If
End Sub 'MovePiece
Applies to
See also
Colaborați cu noi pe GitHub
Sursa pentru acest conținut poate fi găsită pe GitHub, unde puteți, de asemenea, să creați și să consultați probleme și solicitări de tragere. Pentru mai multe informații, consultați ghidul nostru pentru colaboratori.