private void btnSave_Click(object sender, EventArgs e) { try { string resp = ""; if (txtidSupplier.Text == string.Empty || txtSerie.Text == string.Empty) { MessageError("Fill the fields"); errorIcon.SetError(txtidSupplier, "Insert the supply"); errorIcon.SetError(txtIdProduct, "Insert the product id"); errorIcon.SetError(txtSerie, "Insert the serie"); } else { if (this.isNew) { resp = BInput.Insert(idstaff, Convert.ToInt32(this.txtidSupplier.Text), Convert.ToDateTime(this.dtpDate.Text), this.cbReceipt.Text, txtSerie.Text, txtCorelativ.Text, Convert.ToDecimal(txtVat.Text), "ISSUED", dtDetails); } if (resp.Equals("OK")) { if (this.isNew) { this.MessageOk("Register saved"); } } else { this.MessageError(resp); } this.isNew = false; this.Enabledbuttons(); this.Clean(); this.ShowDetailInput(); } } catch (Exception ex) { MessageBox.Show(ex.Message + ex.StackTrace); } }