asp.net(c#)利用构造器链的代码

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 default4 : system.web.ui.page
{
protected void page_load(object sender, eventargs e)
{
webinfo info = new webinfo();
string infoout = string.format("站点：{0}<br>域名：{1}",info.webname,info.weburl);
response.write(infoout);
}

public class webinfo
{

public webinfo():this("搜索吧","http://www.sosuo8.com/")
{
}

public webinfo(string weburl):this("搜索吧",weburl)
{
}

public webinfo(string webname, string weburl)
{
_webname = webname;
_weburl = weburl;
}

private string _webname;
private string _weburl;

public string webname
{
get
{
return _webname;
}
set
{
_webname = value;
}
}
public string weburl
{
get
{
return _weburl;
}
set
{
_weburl = value;
}
}


}
}