Locate string on webpage

private bool SearchPage(string URL, string StrToLocate)
{
StreamReader SR;
WebResponse Resp ;
WebRequest MyWebRequest;
string PageStr;

MyWebRequest = WebRequest.Create(URL) ;
MyWebRequest.Timeout = 10000 ;
try
{
Resp = MyWebRequest.GetResponse() ;
SR = new StreamReader(Resp.GetResponseStream()) ;
PageStr = SR.ReadToEnd() ;
SR.Close() ;

PageStr = PageStr.ToUpper();
if ( PageStr.IndexOf(StrToLocate.ToUpper(), 0, PageStr.Length) != -1 )
return true;
else
return false;
}

catch ( WebException wex )
{
if (wex.Status == WebExceptionStatus.Timeout)
Response.Write("The request has timed out!") ;

else
Response.Write("There was some exception: " + wex.Message) ;

return false;
}

}