Page.RegisterViewStateHandler Metod

Definition

Gör att sidvisningstillståndet bevaras om det anropas.

public:
 void RegisterViewStateHandler();
public void RegisterViewStateHandler();
member this.RegisterViewStateHandler : unit -> unit
Public Sub RegisterViewStateHandler ()

Exempel

// Create a custom HtmlForm server control named MyForm. 
public class MyForm : HtmlForm
{
   // MyForm inherits all the base funcitionality
   // of the HtmlForm control.
   public MyForm():base()
   {
   }
   // Override the OnInit method that MyForm inherited from HtmlForm.
   
   [System.Security.Permissions.PermissionSet(System.Security.Permissions.SecurityAction.Demand, Name="FullTrust")] 
   protected override void OnInit( EventArgs e)
   {
      // Save the view state if there are server controls on
      // a page that calls MyForm.
      Page.RegisterViewStateHandler();
   }
}
' Create a custom HtmlForm server control named MyForm.
Public Class MyForm
   Inherits HtmlForm
   
   ' MyForm inherits all the base funcitionality
   ' of the HtmlForm control.
   Public Sub New()
   End Sub
   
   ' Override the OnInit method that MyForm inherited from HtmlForm.
   <System.Security.Permissions.PermissionSetAttribute(System.Security.Permissions.SecurityAction.Demand, Name:="FullTrust")> _
   Protected Overrides Sub OnInit(e As EventArgs)
      ' Save the view state if there are server controls on
      ' a page that calls MyForm.
      Page.RegisterViewStateHandler()
   End Sub
End Class

Kommentarer

Metoden RegisterViewStateHandler anropas automatiskt via HtmlForm serverkontrollen. Om den här metoden inte anropas sparas inte sidvisningstillståndet.

Note

Vanligtvis anropar endast HtmlForm serverkontrollen för sidan den här metoden.

Gäller för

Se även