private void btn_del_Click(object sender, EventArgs e)
{
bool DelCon;
bool DelConR;
Contacts.Service1 s = new Contacts.Service1();
s.DeleteContact(txtId.Text, out DelCon, out DelConR);
BindingSource bs = new BindingSource();
bs.DataSource = s.GetCon();
gvCon.DataSource = bs;
lblmsg.Text = "Successfully Deleted";
}