Friday, 11 January 2013

Find Whether the String is Present in a Particular WebPage or Not


Find Whether the String is Present in a Particular WebPage(URL) or Not


Use the following Method to achieve this:

Note: You have to pass the URL address and the string variable to this method...


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;

}

} 

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