Control.IsLiteralContent Control.IsLiteralContent Control.IsLiteralContent Control.IsLiteralContent Method

protected:
 bool IsLiteralContent();

protected bool IsLiteralContent ();

member this.IsLiteralContent : unit -> bool

Protected Function IsLiteralContent () As Boolean

Restituisce

Esempi

L'esempio seguente controlla se la pagina che contiene i controlli server è stato eseguito il postback.The following example checks whether the page that contains the server controls has posted back. In caso affermativo, chiama il IsLiteralContent metodo per determinare se il controllo contiene solo contenuto effettivo, o un controllo padre per altri controlli server.If it has, it calls the IsLiteralContent method to determine whether the control contains just literal content, or is a parent control to other server controls. Se contiene solo il contenuto literal, il UniqueID proprietà del LiteralControl che rappresenta il contenuto scritto nella risposta.If it contains solely literal content, the UniqueID property of the LiteralControl that represents that content is written to the response.

// Override the OnLoad method to check if the 
// page that uses this control has posted back.
// If so, check whether this controls contains
// only literal content, and if it does,
// it gets the UniqueID property and writes it
// to the page. Otherwise, it writes a message
// that the control contains more than literal content.
protected override void OnLoad(EventArgs e)
{
        if (Page.IsPostBack)
        {
                String s;

                if (this.IsLiteralContent())
                {
                        s = Controls[0].UniqueID;
                        Context.Response.Write(s);
                }
                else
                {
                        Context.Response.Write(
                                "The control contains more than literal content.");
                }
        }
}

' Override the OnLoad method to check if the 
' page that uses this control has posted back.
' If so, check whether this controls contains
' only literal content, and if it does,
' it gets the UniqueID property and writes it
' to the page. Otherwise, it writes a message
' that the control contains more than literal content.
Overrides Protected Sub OnLoad(ByVal e As EventArgs)

   If Page.IsPostBack = True Then
      Dim s As String

      If Me.IsLiteralContent() = True Then
         s = Controls(0).UniqueID
         Context.Response.Write(s)
      Else
         Context.Response.Write( _
         "The control contains more than literal content.")
      End If
   End If
End Sub

Commenti

Quando questo metodo restituisce true, raccolta del controllo server conserva un unico controllo.When this method returns true, the server control's collection holds a single literal control.

Si applica a

Vedi anche

• HasControls() HasControls() HasControls() HasControls()
• LiteralControl LiteralControl LiteralControl LiteralControl