다음을 통해 공유

ViewCollection.Add(Control) 메서드

  • 참조

정의

네임스페이스:
System.Web.UI.WebControls
어셈블리:
System.Web.dll

지정된 View 컨트롤을 컬렉션에 추가합니다.

public:
 override void Add(System::Web::UI::Control ^ v);
public override void Add (System.Web.UI.Control v);
override this.Add : System.Web.UI.Control -> unit
Public Overrides Sub Add (v As Control)

매개 변수

v
Control

컬렉션에 추가할 View 컨트롤입니다.

예외

ArgumentException

v 매개 변수가 View 컨트롤을 지정하지 않는 경우

예제

다음 코드 예제에서는 프로그래밍 방식으로 추가 하는 방법을 보여 줍니다 View 컨트롤을 MultiView 제어 합니다. 각 View 컨트롤을 만든 합니다 MultiView.Views.Add() 구문이 추가 하는 데 사용 됩니다는 View 컨트롤을 ViewCollection 컬렉션은 MultiView 컨트롤.

<%@ Page Language="VB"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>ViewCollection Class Example</title>
<script runat="server">

        Sub Index_Changed(ByVal Sender As Object, ByVal e As EventArgs)
            ' A MultiView was added to the page declaratively.
            ' Now add the View control programmatically.            
            
            If SelectViewListBox.SelectedIndex >= 0 Then
                ' The user selected a view.
                ' Determine which view the user selected.
            
                Dim viewName As String = SelectViewListBox.SelectedItem.Text
                Dim myView as New View

                ' Use a helper function to create the view.
                myView = CreateView(viewName, "This is " + viewName)

                ' Add myView to the ViewCollection of the MultiView1 control.
                MultiView1.Views.Add(myView)

                ' Set myView as the active view.
                MultiView1.SetActiveView(myView)

                ' The Panel control was initially set to not visible.
                ' Set it to visible to add styles to the myView.
                Panel1.Visible=True
          
            Else
                Throw New Exception("You did not select a valid view.")

            End If

        End Sub
        
        ' A function to programmatically create a View control.
        Private Function CreateView(ByVal viewId As String, ByVal viewDescription As String) As View
            ' Create a View control
            Dim myView As New View
            myView.ID = viewId
            
            ' Create a Label control.
            Dim Label1 As New Label

            ' Set the text property for the label.
            Label1.Text = viewDescription
            
            ' Add the label to the controls collection of the view.
            myView.Controls.Add(Label1)
            
            Return myView
        End Function

</script>
 
</head>
<body>

    <form id="Form1" runat="server">

        <h3>ViewCollection Class Example</h3>

        <h4>Select a View to create and display in a MultiView control:</h4>
            
        <asp:ListBox ID="SelectViewListBox"
            AutoPostBack="True"
            Rows="1"
            SelectionMode="Single"
            OnSelectedIndexChanged="Index_Changed"
            runat="Server">
            <asp:ListItem Value="0">View1</asp:ListItem>
            <asp:ListItem Value="1">View2</asp:ListItem>
        </asp:ListBox><br /><br />
        
        <hr /><br /> 
        
        <asp:Panel ID="Panel1"
            Height="75px"
            Width="100px"
            Backcolor="Aqua"
            BorderStyle="Double" 
            Visible = "False"
            runat="Server"> 

            <asp:MultiView ID="MultiView1"
                runat="Server">
            </asp:MultiView>

        </asp:Panel>
    
    </form>
   
</body>
</html>

설명

Add 메서드는 서 수 인덱스 배열의 끝에 새 컨트롤을 추가 합니다. 컨트롤의 인스턴스 수만 View 제어 합니다.

특정 인덱스 위치의 컬렉션에 컨트롤을 추가 하려면 사용 된 AddAt 메서드.

적용 대상

추가 정보