ASP.NET Tutorial/Custom Controls/Ajax — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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(нет различий)
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Текущая версия на 15:00, 26 мая 2010
AJAX and User Controls
<source lang="csharp">
File: Control.ascx <%@ Control Language="C#" ClassName="RandomQuotation" %> <%@ Import Namespace="System.Collections.Generic" %> <script runat="server">
void Page_Load() { List<string> quotes = new List<string>(); quotes.Add("A"); quotes.Add("B"); quotes.Add("C"); Random rnd = new Random(); lblQuote.Text = quotes[rnd.Next(quotes.Count)]; }
</script> <asp:ScriptManager ID="sm1" runat="server" /> <asp:Timer ID="Timer1" Interval="5000" runat="server" /> <asp:UpdatePanel ID="up1" runat="server"> <Triggers>
<asp:AsyncPostBackTrigger ControlID="Timer1" />
</Triggers> <ContentTemplate>
<asp:Label id="lblQuote" Runat="server" />
</ContentTemplate> </asp:UpdatePanel>
File: Default.aspx <%@ Page Language="C#" %> <%@ Register TagPrefix="user" TagName="RandomQuotation" Src="~/Control.ascx" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server">
<style type="text/css"> .quote { width:200px; padding:20px; border:Dotted 2px orange; background-color:#eeeeee; font:16px Georgia,Serif; } </style> <title>Show Random Quotation</title>
</head> <body>
<form id="form1" runat="server">
<%= DateTime.Now %>
<user:RandomQuotation id="RandomQuotation1" Runat="server" />
</form>
</body> </html> File: Web.Config <?xml version="1.0"?> <configuration>
<system.web> <customErrors mode="Off"/> <compilation debug="true"/> <pages> <controls> <add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" /> </controls> </pages> </system.web>
</configuration></source>