c#中foreach进不去!第一次执行进不去,第二次才会进入循环!
private string addIpAddress()
{
try
{
//lvw_Show.Text = "begin:"; //测试输出
string strHostName;
foreach (string st in ip)
{
//lvw_Show.Text += "enter:";
strHostName = null;
//IPHostEntry strHostName = Dns.Resolve(st).HostName;
strHostName = Dns.Resolve(st).HostName;
lvw_Show.Text += st + " >> " + strHostName + "\n";
}
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
return null;
}