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public string GetHtmlSource(string Url, string charset)
{
if (charset == "" || charset == null) charset = "gb2312";
string text1 = "";
try
{
HttpWebRequest request1 = (HttpWebRequest)WebRequest.Create(Url);
HttpWebResponse response1 = (HttpWebResponse)request1.GetResponse();
Stream stream1 = response1.GetResponseStream();
StreamReader reader1 = new StreamReader(stream1, Encoding.GetEncoding(charset));
text1 = reader1.ReadToEnd();
stream1.Close();
response1.Close();
}
catch (Exception exception1)
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