asp.net获取当前url及来源url

string url=HttpContext.Current.Request.Url.Host;
url= www.111com.net

string url=Request.RawUrl;
(或 string url=Request.Url.PathAndQuery;)
url= /aaa/bbb.aspx?id=5&name=kelli

#region 获取当前网址的URL
///
/// 获取当前网址的URL
///
/// 返回类型
///
public static string weburl(string stype)
{
string url = "";
switch (stype)
{
case "1":
url = HttpContext.Current.Request.Url.Host; //返回域名
break;

case "2":
url = HttpContext.Current.Request.Url.Query; // 返回参数
break;
case "3":
url = HttpContext.Current.Request.Url.AbsolutePath; //获取 站点名+页面

名
break;
//case "4":
// url = Request.RawUrl; //获取 站点名+页面名+参数
// break;
//case "5":
// url = Request.Url.ToString(); //返回完整url
// break;
}
return url;
}