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public partial class LabexEx : System.Web.UI.UserControl
{
public string time;
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
this.Label1.Text = time;
}
}
}
<%@ Control Language="C#" AutoEventWireup="true" CodeBehind="LabexEx.ascx.cs" Inherits="UserControlRefresh.LabexEx" %>
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
lael1.time = DateTime.Now.ToString("HH:mm:ss");
}
protected void Button1_Click(object sender, EventArgs e)
{
lael1.time = DateTime.Now.ToString("HH:mm:ss");
}
}
<%@ Page Title="主页" Language="C#" MasterPageFile="~/Site.master" AutoEventWireup="true"
CodeBehind="Default.aspx.cs" Inherits="UserControlRefresh._Default" %>
<%@ Register Src="~/LabexEx.ascx" TagName="LabexEx" TagPrefix="uc1" %>
<asp:Content ID="HeaderContent" runat="server" ContentPlaceHolderID="HeadContent">
</asp:Content>
<asp:Content ID="BodyContent" runat="server" ContentPlaceHolderID="MainContent">
<uc1:LabexEx runat="server" ID="lael1"></uc1:LabexEx>
<br />
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="刷选控件的值" />
<br />
</asp:Content>