如何检查给定 URL 的页面是否存在?
我有以下代码:
private void check(string path)
{
try
{
Uri uri = new Uri(path);
WebRequest request = WebRequest.Create(uri);
request.Timeout = 3000;
WebResponse response;
response = request.GetResponse();
}
catch(Exception loi) { MessageBox.Show(loi.Message); }
}
但是这会出现有关代理的错误信息。:(