ASP.Net/User Control and Master Page/Header — различия между версиями

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Текущая версия на 11:53, 26 мая 2010

Header user component (VB.net)

<%@ Page Language="vb" %>
<%@ Register TagPrefix="MyTag" TagName="Header" Src="header.ascx" %>
<html>
<head>
  <title>User Control Examples</title>
</head>
<body>
    <form runat="server" method="post">
        <MyTag:Header id="MyHeader" runat="Server" />
        <h3>The Multi-Lingual Control Example </h3>
    </form>
</body>
</html>
<%-- header.ascx
<%@ Control Language="vb" %>
<table style="background-color:#cc0033" width="100%" cellpadding="10" cellspacing="0">
    <tr>
        <td width="60%"> <font face="verdana,arial" size="4" color="yellow">
            <asp:label id="WelcomeMessage" runat="Server">Welcome to the shop!</asp:label> </font>
        </td>
        <td width="30%">
            <font face="verdana,arial" size="2" color="lightyellow"> Select your Language:<br />
            <asp:DropDownList id="LanguageList" runat="Server" OnSelectedIndexChanged="DropList_Changed" AutoPostBack="True"/>
            </font>
        </td>
    </tr>
</table>
<script runat="server">
    
    Private Languages As New Hashtable()
    
    Public Sub Page_Load()
    
     Languages.Add("English", "Hello, and welcome to the shop")
     Languages.Add("French", "Bonjour, et bienvenue au magasin")
     Languages.Add("Spanish", "Buenas Dias, e bienvenido a la tienda")
     Languages.Add("German", "Guten Tag, und wilkommen ins geschaeft")
    
     If Not Page.IsPostback
    
       LanguageList.Datasource = Languages.Keys
       Page.DataBind()
    
     End If
    
    End Sub
    
    Public Sub DropList_Changed(Sender As Object, E As EventArgs)
    
      WelcomeMessage.text = Languages(Languagelist.SelectedItem.Text)
      
    End Sub
    
</script>
--%>



User control for page header

<%@ Page Language="VB" %>
<%@ Register TagPrefix="uc1" TagName="header" Src="Control.ascx" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
  <HEAD>
    <title>User Controls</title>
    <Script Runat="Server">
    Private Sub Page_Load(sender As Object, e As System.EventArgs)
        header1.Author = "Snoopy"
        FooterLabel.Text = "Rendered " + header1.RenderDate
    End Sub "Page_Load
    </Script>
  </HEAD>
  <body>
    <form id="dependingdropdowns" method="post" runat="server">
      <uc1:header id="header1" runat="server" Title="A Tale of Mystery"></uc1:header>
      <p>It was a dark and stormy night.</p>
      <hr />
      <asp:Label ID="FooterLabel" Runat="server" />
    </form>
  </body>
</HTML>
File: Control.ascx
<%@ Control Language="vb" %>
<script runat="server">
Private _title As String
Private _author As String
Private _renderDate As DateTime = System.DateTime.Now
Public Property Title() As String
   Get
      Return _title
   End Get
   Set
      _title = value
   End Set
End Property
Public Property Author() As String
   Get
      Return _author
   End Get
   Set
      _author = value
   End Set
End Property
Public ReadOnly Property RenderDate() As DateTime
   Get
      Return _renderDate
   End Get
End Property

Private Sub Page_Load(sender As Object, e As EventArgs)
   TitleLabel.Text = Title
   AuthorLabel.Text = Author
End Sub 
</script>
<h1><asp:Label id="TitleLabel" runat="server" /></h1>
<h3><asp:Label id="AuthorLabel" runat="server" />
</h1>
Источник — «http://nfex.ru/index.php?title=ASP.Net/User_Control_and_Master_Page/Header&oldid=2446»