ControlBuilder.ControlType Properti

Definisi

Ruang nama:

System.Web.UI

Rakitan:

System.Web.dll

Type Mendapatkan kontrol yang akan dibuat.

public:
 property Type ^ ControlType { Type ^ get(); };

public Type ControlType { get; }

member this.ControlType : Type

Public ReadOnly Property ControlType As Type

Nilai Properti

Type

Type untuk kontrol yang akan dibuat.

Contoh

Contoh ini mengambil alih OnAppendToParentBuilder metode untuk memeriksa ControlType properti untuk menentukan jenis kontrol apa yang diterapkan penyusun ini. Jika itu adalah CustomTextBox, penyusun memeriksa apakah nilai HasAspCode properti disertakan dalam kontrol. Jika demikian, pengecualian dilemparkan, jika tidak metode dipanggil HasBody .

using System;
using System.Web.UI;
using System.Web;
using System.Security.Permissions;

namespace ASPNET.Samples
{
    [
    AspNetHostingPermission(SecurityAction.Demand,
        Level=AspNetHostingPermissionLevel.Minimal)
    ]
    public class AppendControlBuilder : ControlBuilder
    {
        // Override the OnAppendToParentBuilder method.
        public override void OnAppendToParentBuilder(ControlBuilder parentBuilder)
        {
            // Check whether the type of the control this builder
            // is applied to is CustomTextBox. If so, check whether
            // ASP code blocks exist in the control. If so, call
            // throw an Exception, if not, call the HasBody method.        
            if (ControlType == Type.GetType("CustomTextBox"))
            {
                if (HasAspCode)
                    throw new Exception("This control cannot contain code blocks.");
                else
                    HasBody();
            }
        }
    }
}

Imports System.Web.UI
Imports System.Web
Imports System.Security.Permissions

Namespace ASPNET.Samples

   <AspNetHostingPermission(SecurityAction.Demand, Level:=AspNetHostingPermissionLevel.Minimal)> _
   Public NotInheritable Class AppendControlBuilder
      Inherits ControlBuilder

      ' Override the OnAppendToParentBuilder method.
      Overrides Public Sub OnAppendToParentBuilder( _
         ByVal parentBuilder As ControlBuilder _
      )
            ' Check whether the type of the control this builder
            ' is applied to is CustomTextBox. If so, check whether
            ' ASP code blocks exist in the control. If so, call
            ' throw an Exception, if not, call the HasBody method.        
            If ControlType Is Type.GetType("CustomTextBox") Then
                If HasAspCode = True Then
                    Throw New Exception("This control cannot contain code blocks.")
                Else
                    HasBody()
                End If
            End If

        End Sub

   End Class

End Namespace

Lihat juga

• Type