private void cmdSave_Click(object sender, EventArgs e) { localhost.Service1 myserver = new localhost.Service1(); BindingSource bs = new BindingSource(); //BindingSource b = new BindingSource(); bs.DataSource = myserver.addmed(label2.Text, txtmedicines.Text, txtage.Text, txtdisease.Text); gv6.DataSource = bs; }