private void btncancel_Click(object sender, EventArgs e) { bool isuname = true, isucode = true; localhost.Service1 ser = new localhost.Service1(); //CancelEvent(string uname, string ucode, string udate, string ereason) // MessageBox.Show("conformed or not", MessageBoxButtons.OKCancel); DialogResult res = MessageBox.Show("Conformed...?", MessageBoxButtons.OKCancel.ToString()); if (res == System.Windows.Forms.DialogResult.OK) { ser.CancelEvent(txtuname.Text, txtucode.Text, txtedate.Text, txtereason.Text, out isuname, out isucode); // ser.Search(txtuname, txtucode, out isuname, out isucode); if (isucode && isuname) { MessageBox.Show(" Event is canceled"); } else { MessageBox.Show(" Your information is not right"); } } else { MessageBox.Show("Event donot cencel"); } }