WebRequest抓取远程数据

<%@Page Language="C#" Debug="true"%>
<%@Import NameSpace="System.Net"%>
<%@Import NameSpace="System.IO"%>
<script language="C#" runat="Server">
string sException=null;
public string GetHttpData(string sUrl){
    string sRslt=null;
    WebResponse oWebRps=null;
    WebRequest oWebRqst=WebRequest.Create(sUrl);
    oWebRqst.Timeout=50000;
    try{
        oWebRps=oWebRqst.GetResponse();
    }
    catch(WebException e){
        sException=e.Message.ToString();
    }
    catch(Exception e){
        sException=e.ToString();
    }
    finally{
        if(oWebRps!=null){
            StreamReader oStreamRd=new StreamReader(oWebRps.GetResponseStream(),System.Text.Encoding.GetEncoding("GB2312"));
            sRslt=oStreamRd.ReadToEnd();
            oStreamRd.Close();
            oWebRps.Close();
        }
    }
    return sRslt;
}

<%
TimeSpan oStartTime=DateTime.Now.TimeOfDay;
string s=HttpUtility.HtmlEncode(GetHttpData("http://kzlll.blogone.net")).Replace("\n","\n<br>"); 
Response.Write(s);
Response.Write("<br><br>\r\n执行时间：" + DateTime.Now.TimeOfDay.Subtract(oStartTime).TotalMilliseconds.ToString() + " 毫秒");
%>