Asp.net 获取网页源代码··

/// <summary>
/// 获取页面源代码
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
public static string GetPageResouceCode(string url)
{
    try
    {
        WebRequest wrt = WebRequest.Create(url);
        WebResponse wrse = wrt.GetResponse();
        Stream strM = wrse.GetResponseStream();
        StreamReader SR = new StreamReader(strM, Encoding.UTF8);
        string strallstrm = SR.ReadToEnd();
        return strallstrm;
    }
    catch {
        return "";
    }
}