private void Siguiente_Click(object sender, EventArgs e) { this.Model.CouponCode = this.cupon.Text; if (this.Model.Phone == "" || this.Model.Phone == null || this.Model.CouponCode == null || this.Model.CouponCode == "") { MessageBox.Show("Complete los datos faltantes"); } else { DataRow row = this.Model.bindear(); if (row != null) { this.Hide(); DevolverForm d = new DevolverForm(row, this.Model); d.Owner = this.Owner; d.Show(); } } }