用户控件 之 访问用户控件中的控件

1.用户控件

WebUserControl.ascx

<% @ Control Language = " C# "  AutoEventWireup = " true "  CodeFile = " WebUserControl.ascx.cs "  Inherits = " WebUserControl "   %>
< asp:Label  ID ="Label1"  Text ="Mzwu.Com"  runat ="server"  Height ="20px"  Width ="226px" ></ asp:Label >
< asp:Label  ID ="Label2"  runat ="server"  Text ="Hello World!"  Height ="20px"  Width ="226px" ></ asp:Label >

 

WebUserControl.ascx.cs

using  System;
using  System.Data;
using  System.Configuration;
using  System.Collections;
using  System.Web;
using  System.Web.Security;
using  System.Web.UI;
using  System.Web.UI.WebControls;
using  System.Web.UI.WebControls.WebParts;
using  System.Web.UI.HtmlControls;

public   partial   class  WebUserControl : System.Web.UI.UserControl
{
     public   string  Message
    {
         get  {  return  Label1.Text; }
    }
}

 

2.访问用控件里面的控件

Default.aspx:

 

<% @ Page Language = " C# "  AutoEventWireup = " true "  CodeFile = " Default.aspx.cs "  Inherits = " _Default "   %>

<% @ Register Src = " WebUserControl.ascx "  TagName = " WebUserControl "  TagPrefix = " MyControl "   %>

<! 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  runat ="server" >
     < title > 访问用户控件中的控件-Mzwu.Com </ title >
</ head >
< body >
     < form  id ="form1"  runat ="server" >
     < div >
         < MyControl:WebUserControl  ID ="WebUserControl1"  runat ="server"   />
     </ div >
     </ form >
</ body >
</ html >

 

 

Default.aspx.cs

 

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        Response.Write(WebUserControl1.Message);//方法一：使用属性访问
        Response.Write(((Label)WebUserControl1.FindControl("Label2")).Text);//使用FindControl方法
    }
}

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