private void OK_buton(object sender, System.Windows.RoutedEventArgs e)
{
if (string.IsNullOrEmpty(nam.Text) || string.IsNullOrEmpty(paw.Password))
{
MessageBox.Show("用户名或密码不能为空！");
}
else
{
client.GetUserInfoAsync(nam.Text);
}
}
public void GetUserInfo(string userName)
{
_client.GetUserInfoAsync(userName);
}