Exposing user control properties (VB) : Basics « Custom Controls « ASP.NET Tutorial

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2. Custom Controls
3. Basics

<%@ Control Language="VB" ClassName="WebUserControl" %>

<script runat="server">

    Private _text As String
    
    Public Property Text() As String
        Get
            Return _text
        End Get
        Set(ByVal value As String)
            _text = value
        End Set
    End Property
    
    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
        Me.Label1.Text = Me.Text
    End Sub
        
    Protected Sub Button1_Click(ByVal sender As Object, _
      ByVal e As System.EventArgs)
        Me.Label1.Text = "The quick brown fox clicked the button on the page"
    End Sub

</script>

<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
<asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" />