ControlBuilder.GetChildControlType(String, IDictionary) Méthode

Définition

Espace de noms:

System.Web.UI

Assembly:

System.Web.dll

Obtient le Type du type de contrôle qui correspond à une balise enfant. Cette méthode est appelée par l’infrastructure de page ASP.NET.

public:
 virtual Type ^ GetChildControlType(System::String ^ tagName, System::Collections::IDictionary ^ attribs);

public virtual Type GetChildControlType (string tagName, System.Collections.IDictionary attribs);

abstract member GetChildControlType : string * System.Collections.IDictionary -> Type
override this.GetChildControlType : string * System.Collections.IDictionary -> Type

Public Overridable Function GetChildControlType (tagName As String, attribs As IDictionary) As Type

Paramètres

tagName

String

Nom de balise de l’enfant.

attribs

IDictionary

Tableau d’attributs contenus dans le contrôle enfant.

Retours

Type

Type de l’enfant du contrôle spécifié.

Exemples

// Create a custom ControlBuilder that interprets nested elements
// named myitem as TextBoxes. If this class is called in a 
// ControlBuilderAttribute applied to a custom control, when
// that control is created in a page and it contains child elements
// that are named myitem, the child elements will be rendered as 
// TextBox server controls. This control builder also ignores literal
// strings between elements when it is associated with a control.
[AspNetHostingPermission(SecurityAction.Demand, 
   Level=AspNetHostingPermissionLevel.Minimal)]
public sealed class MyItemControlBuilder : ControlBuilder 
{
   // Override the GetChildControlType method to detect
   // child elements named myitem.
   public override Type GetChildControlType(String tagName,
                                     IDictionary attributes)
   {
      if (String.Compare(tagName, "myitem", true) == 0) 
      {
         return typeof(TextBox);
      }
      return null;
   }

   // Override the AppendLiteralString method so that literal
   // text between rows of controls are ignored.  
   public override void AppendLiteralString(string s) 
   {
     // Ignores literals between rows.
   }
}

' Create a custom ControlBuilder that interprets nested elements
' named myitem as TextBoxes. If this class is called in a 
' ControlBuilderAttribute applied to a custom control, when
' that control is created in a page and it contains child elements
' that are named myitem, the child elements will be rendered as 
' TextBox server controls. This control builder also ignores literal
' strings between elements when it is associated with a control.

<AspNetHostingPermission(SecurityAction.Demand, _
  Level:=AspNetHostingPermissionLevel.Minimal)> _
Public NotInheritable Class MyItemControlBuilder
  Inherits ControlBuilder
  
  ' Override the GetChildControlType method to detect
  ' child elements named myitem.
  Public Overrides Function GetChildControlType(ByVal tagName As String, ByVal attribs As IDictionary) As Type
     If [String].Compare(tagName, "myitem", True) = 0 Then
        Return GetType(TextBox)
     End If
     Return Nothing
  End Function 'GetChildControlType
  
  
  ' Override the AppendLiteralString method so that literal
  ' text between rows of controls are ignored.  
  Public Overrides Sub AppendLiteralString(s As String)
  End Sub
End Class

Remarques

Cette méthode est appelée par l’infrastructure de page ASP.NET lors de l’analyse et n’est pas destinée à être appelée directement dans votre code.