我正在使用此代码从Internet地址接收数据.但是,当计时器第一次打勾时连接正常并且程序正常工作.但在第二次,从这一行提出错误:
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
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我想知道如何解决这个问题.
定时器间隔为30秒.
码:
private void timer1_Tick(object sender, EventArgs e)
{
WebRequest request = WebRequest.Create("http://localhost
/go/online.asp?prog=y&rln=" + Properties.Settings.Default.cos);
request.Credentials = CredentialCache.DefaultCredentials;
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream dataStream = response.GetResponseStream();
StreamReader reader = new StreamReader(dataStream);
string responseFromServer = reader.ReadToEnd();
reader.Close();
dataStream.Close();
response.Close();
}
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错误:WebException未处理.远程服务器返回错误:(500)内部服务器错误.
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