TemplateContainerAttribute 建構函式

參考

定義

命名空間:: System.Web.UI

組件:: System.Web.dll

重要

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初始化 TemplateContainerAttribute 類別的新執行個體。

多載

TemplateContainerAttribute(Type)	使用指定的容器型別，初始化 TemplateContainerAttribute 類別的新執行個體。
TemplateContainerAttribute(Type, BindingDirection)	使用指定的容器型別和 TemplateContainerAttribute 屬性，初始化 BindingDirection 類別的新執行個體。

TemplateContainerAttribute(Type)

使用指定的容器型別，初始化 TemplateContainerAttribute 類別的新執行個體。

public:
 TemplateContainerAttribute(Type ^ containerType);

public TemplateContainerAttribute (Type containerType);

new System.Web.UI.TemplateContainerAttribute : Type -> System.Web.UI.TemplateContainerAttribute

Public Sub New (containerType As Type)

參數

containerType: Type

容器控制項的 Type。

範例

下列程式代碼範例示範如何建立名為的 TemplatedFirstControl 樣板化控件，並將它與名為的 FirstTemplateContainer容器產生關聯。這可讓您建立自定義控件，以在未指定範本時顯示伺服器時間，以及在指定範本時顯示範本的內容。類別 TemplateContainerAttribute 用於 FirstTemplate 屬性。

using System;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Collections;

namespace Samples.AspNet.CS.Controls
{
    [ParseChildren(true)]
    public class TemplatedFirstControl : Control, INamingContainer
    {
        private ITemplate firstTemplate;
        private String text = null;
        private Control myTemplateContainer;

        [System.Security.Permissions.PermissionSet(System.Security.Permissions.SecurityAction.Demand, Name = "FullTrust")]
        protected override void OnDataBinding(EventArgs e)
        {
            EnsureChildControls();
            base.OnDataBinding(e);
        }

        [TemplateContainer(typeof(FirstTemplateContainer))]
        public ITemplate FirstTemplate
        {
            get
            {
                return firstTemplate;
            }
            set
            {
                firstTemplate = value;
            }
        }

        public String Text
        {
            get
            {
                return text;
            }
            set
            {
                text = value;
            }
        }

        public String DateTime
        {
            get
            {
                return System.DateTime.Now.ToLongTimeString();
            }
        }

        public Control MyTemplateContainer
        {
            get
            {
                return myTemplateContainer;
            }
        }

        [System.Security.Permissions.PermissionSet(System.Security.Permissions.SecurityAction.Demand, Name = "FullTrust")]
        protected override void CreateChildControls()
        {
            if (FirstTemplate != null)
            {
                myTemplateContainer = new FirstTemplateContainer(this);
                FirstTemplate.InstantiateIn(myTemplateContainer);
                Controls.Add(myTemplateContainer);
            }
            else
            {
                Controls.Add(new LiteralControl(Text + " " + DateTime));
            }
        }
    }

    public class FirstTemplateContainer : Control, INamingContainer
    {
      private TemplatedFirstControl parent;
      public FirstTemplateContainer(TemplatedFirstControl parent)
      {
        this.parent = parent;
      }
            
      public String Text
      {
        get
        {
          return parent.Text;
        }
      }
     
      public String DateTime
      {
        get 
        {
          return parent.DateTime;
        }
      }
    }
  }


' File name:templatecontainerattribute.vb.

Imports System.Web
Imports System.Web.UI
Imports System.Web.UI.WebControls
Imports System.Collections


Namespace Samples.AspNet.VB.Controls
    <ParseChildren(True)> _
    Public Class VB_TemplatedFirstControl
        Inherits Control
        Implements INamingContainer

        Private _firstTemplate As ITemplate
        Private [_text] As [String] = Nothing
        Private _myTemplateContainer As Control

        <System.Security.Permissions.PermissionSetAttribute(System.Security.Permissions.SecurityAction.Demand, Name:="FullTrust")> _
        Protected Overrides Sub OnDataBinding(ByVal e As EventArgs)
            EnsureChildControls()
            MyBase.OnDataBinding(e)
        End Sub


        Public Property FirstTemplate() As ITemplate
            Get
                Return _firstTemplate
            End Get

            Set(ByVal value As ITemplate)
                _firstTemplate = Value
            End Set
        End Property

        Public Property [Text]() As [String]
            Get
                Return [_text]
            End Get

            Set(ByVal value As [String])
                [_text] = Value
            End Set
        End Property

        Public ReadOnly Property DateTime() As [String]
            Get
                Return System.DateTime.Now.ToLongTimeString()
            End Get
        End Property

        Public ReadOnly Property MyTemplateContainer() As Control
            Get
                Return _myTemplateContainer
            End Get
        End Property

        <System.Security.Permissions.PermissionSetAttribute(System.Security.Permissions.SecurityAction.Demand, Name:="FullTrust")> _
        Protected Overrides Sub CreateChildControls()

            If Not (FirstTemplate Is Nothing) Then
                _myTemplateContainer = New VB_FirstTemplateContainer(Me)
                FirstTemplate.InstantiateIn(_myTemplateContainer)
                Controls.Add(_myTemplateContainer)
            Else
                Controls.Add(New LiteralControl([Text] + " " + DateTime))
            End If
        End Sub

    End Class


    Public Class VB_FirstTemplateContainer
        Inherits Control
        Implements INamingContainer

        Private _parent As VB_TemplatedFirstControl

        Public Sub New(ByVal parent As VB_TemplatedFirstControl)
            Me._parent = parent
        End Sub

        Public ReadOnly Property [Text]() As [String]
            Get
                Return _parent.Text
            End Get
        End Property

        Public ReadOnly Property DateTime() As [String]
            Get
                Return _parent.DateTime
            End Get
        End Property

    End Class

End Namespace 'CustomControls

另請參閱

適用於

TemplateContainerAttribute(Type, BindingDirection)

使用指定的容器型別和 TemplateContainerAttribute 屬性，初始化 BindingDirection 類別的新執行個體。

public:
 TemplateContainerAttribute(Type ^ containerType, System::ComponentModel::BindingDirection bindingDirection);

public TemplateContainerAttribute (Type containerType, System.ComponentModel.BindingDirection bindingDirection);

new System.Web.UI.TemplateContainerAttribute : Type * System.ComponentModel.BindingDirection -> System.Web.UI.TemplateContainerAttribute

Public Sub New (containerType As Type, bindingDirection As BindingDirection)

參數

containerType: Type

容器控制項的 Type。

bindingDirection: BindingDirection

容器控制項的 BindingDirection。

另請參閱

BindingDirection

適用於

共用方式為

TemplateContainerAttribute 建構函式

定義

多載

TemplateContainerAttribute(Type)

參數

範例

另請參閱

適用於

TemplateContainerAttribute(Type, BindingDirection)

參數

另請參閱

適用於

其他資源