private void reset(s_fulluser obj)
{
user = obj.user;
txtcity.Text = user.city;
txtdescribtion.Text = user.description;
txtfullname.Text = user.fullname;
txtnationalcode.Text = user.nationalcode;
txttell.Text = user.tell;
cmbgender.SelectedIndex = (int)user.nature;
}
static void remove(s_user user)
{
list.Remove(user);
client.close(user.id);
addremove_e?.Invoke(false, user.id);
}