private void FormProjectMaterielOrder_Load(object sender, EventArgs e)
{
// DataGridView初始化
dataGridViewInit();
if (m_billNumber.Length == 0)
{
// 单据号
this.labelBillNumber.Text = BillNumber.getInctance().getNewBillNumber(BillTypeNumber, DateTime.Now.ToString("yyyy-MM-dd"));
// 制单人初始化
this.labelMakeBillStaff.Visible = true;
this.labelMakeBillStaff.Text = DbPublic.getInctance().getCurrentLoginUserName();
// 制单日期初始化
this.labelMakeDate.Visible = true;
this.labelMakeDate.Text = DateTime.Now.ToString("yyyy-MM-dd");
FormProjectMaterielTable tmp = FormProject.getInctance().getProjectInfoFromBillNumber(this.labelSrcOrderBillNum.Text);
this.labelProjectName.Text = tmp.projectName;
this.labelProjectNo.Text = tmp.projectNum;
this.labelMakeNo.Text = tmp.makeNum;
this.labelDevMode.Text = tmp.deviceMode;
}
else
{
readBillInfoToUI();
}
// 权限判断
setPageActionEnable();
}
private void FormPurchaseApply_Load(object sender, EventArgs e)
{
// DataGridView初始化
dataGridViewInit();
if (m_proInfoList.Count > 0)
{
readProInfoListToUI();
return;
}
if (m_billNumber.Length == 0)
{
// 单据号
this.labelBillNumber.Text = BillNumber.getInctance().getNewBillNumber(BillTypeNumber, DateTime.Now.ToString("yyyy-MM-dd"));
// 制单人初始化
this.labelMakeBillStaff.Visible = true;
this.labelMakeBillStaff.Text = DbPublic.getInctance().getCurrentLoginUserName();
}
else
{
readBillInfoToUI();
}
// 权限判断
setPageActionEnable();
}
private void save_Click(object sender, EventArgs e)
{
SaleQuotationOrderTable saleQuotationOrder = new SaleQuotationOrderTable();
saleQuotationOrder.customerName = this.labelSaleQuotationName.Text;
saleQuotationOrder.date = this.labelTradingDate.Text;
saleQuotationOrder.billNumber = this.labelBillNumber.Text;
saleQuotationOrder.content = this.textBoxContent.Text;
saleQuotationOrder.note = this.textBoxNote.Text;
saleQuotationOrder.salemanName = this.labelBusinessPeople.Text;
saleQuotationOrder.makeOrderName = this.labelMakeBillStaff.Text;
saleQuotationOrder.contact = this.labelContact.Text;
saleQuotationOrder.tel = this.labelTel.Text;
if (m_billNumber.Length == 0)
{
SaleQuotationOrder.getInctance().insert(saleQuotationOrder);
}
else
{
SaleQuotationOrder.getInctance().update(m_billNumber, saleQuotationOrder);
}
this.Close();
BillNumber.getInctance().inserBillNumber(BillTypeNumber, this.labelTradingDate.Text, this.labelBillNumber.Text.ToString());
}
private void save_Click(object sender, EventArgs e)
{
// 得到详细的销售信息
ArrayList dataList = getMaterielOutOrderDetailsValue();
if (dataList.Count > 0)
{
// 销售订单表头和表尾信息
MaterielOutOrderTable record = getMaterielOutOrderValue();
if (orderInfoIsFull(record) && orderDetailsIsFull(dataList))
{
MaterielOutOrder.getInctance().insert(record, false);
MaterielOutOrderDetails.getInctance().insert(dataList);
BillNumber.getInctance().inserBillNumber(BillTypeNumber, this.labelTradingDate.Text, this.labelBillNumber.Text.ToString());
if (m_billNumber.Length == 0)
{
MessageBoxExtend.messageOK("数据保存成功");
}
this.Close();
}
}
else
{
MessageBoxExtend.messageWarning("此单据不包含任何交易信息，单据保存失败.");
}
}
private void FormSaleOrder_Load(object sender, EventArgs e)
{
// DataGridView初始化
dataGridViewInit();
// 销售方式初始化
this.labelSaleType.Visible = true;
this.comboBoxSaleType.Items.Add("现购");
this.comboBoxSaleType.Items.Add("赊购");
this.comboBoxSaleType.SelectedIndex = 0;
if (m_billNumber.Length == 0)
{
// 单据号
this.labelBillNumber.Text = BillNumber.getInctance().getNewBillNumber(BillTypeNumber, DateTime.Now.ToString("yyyy-MM-dd"));
// 销售方式默认值
this.labelSaleType.Text = this.comboBoxSaleType.Text;
// 制单人初始化
this.labelMakeBillStaff.Visible = true;
this.labelMakeBillStaff.Text = DbPublic.getInctance().getCurrentLoginUserName();
}
else
{
readBillInfoToUI();
}
setPageActionEnable();
}
private void FormProjectMaterielOrder_Load(object sender, EventArgs e)
{
// DataGridView初始化
dataGridViewInit();
if (m_billNumber.Length == 0)
{
// 单据号
this.labelBillNumber.Text = BillNumber.getInctance().getNewBillNumber(BillTypeNumber + m_tablesType, DateTime.Now.ToString("yyyy-MM-dd"));
// 制单人初始化
this.labelMakeBillStaff.Visible = true;
this.labelMakeBillStaff.Text = DbPublic.getInctance().getCurrentLoginUserName();
// 制单日期初始化
this.labelMakeDate.Visible = true;
this.labelMakeDate.Text = DateTime.Now.ToString("yyyy-MM-dd");
}
else
{
readBillInfoToUI();
}
// 权限判断
setPageActionEnable();
}
private void readProInfoListToUI()
{
for (int index = 0; index < m_proInfoList.Count; index++)
{
ArrayList record = new ArrayList();
record = m_proInfoList[index];
if (index == 0)
{
this.labelTradingDate.Visible = true;
this.labelTradingDate.Text = DateTime.Now.ToString("yyyy-MM-dd");
// 单据号
this.labelBillNumber.Text = BillNumber.getInctance().getNewBillNumber(BillTypeNumber, DateTime.Now.ToString("yyyy-MM-dd"));
// 制单人初始化
this.labelMakeBillStaff.Visible = true;
this.labelMakeBillStaff.Text = DbPublic.getInctance().getCurrentLoginUserName();
this.labelSummary.Visible = true;
this.labelSummary.Text = record[0].ToString();
m_materieOutOrder.isReview = "1";
}
setMatetielInfoToDataGridView(Convert.ToString(record[1]), index);
dataGridViewDataList.Rows[index].Cells[(int)DataGridColumnName.Value].Value = Convert.ToDouble(record[2]) - Convert.ToDouble(record[3]);
setTurnoverInfoDataGridView(index);
}
}
private void FormMaterielProOccupied_Load(object sender, EventArgs e)
{
if (m_proInfoList.Count > 0)
{
DateGridVeiwListDataListRowCount = m_proInfoList.Count;
// DataGridView初始化
dataGridViewInit();
readProInfoListToUI();
return;
}
else
{
// DataGridView初始化
dataGridViewInit();
}
if (m_billNumber.Length == 0)
{
// 单据号
this.labelBillNumber.Text = BillNumber.getInctance().getNewBillNumber(BillTypeNumber, DateTime.Now.ToString("yyyy-MM-dd"));
// 制单人初始化
this.labelMakeBillStaff.Visible = true;
this.labelMakeBillStaff.Text = DbPublic.getInctance().getCurrentLoginUserName();
}
else
{
readBillInfoToUI();
}
}
void ReleaseDesignerOutlets()
{
if (AddCustomer != null)
{
AddCustomer.Dispose();
AddCustomer = null;
}
if (BillNumber != null)
{
BillNumber.Dispose();
BillNumber = null;
}
if (Egn != null)
{
Egn.Dispose();
Egn = null;
}
if (Error != null)
{
Error.Dispose();
Error = null;
}
}
private void FormPaymentOrder_Load(object sender, EventArgs e)
{
// 付款类型初始化
ComboBoxExtend.initComboBox(comboBoxPaymentType, "BASE_PAYMENT_TYPE_LIST");
if (comboBoxPaymentType.Items.Count >= 1)
{
this.comboBoxPaymentType.SelectedIndex = 1;
}
// 银行账户初始化
ComboBoxExtend.initComboBox(comboBoxBank, "BASE_BANK_LIST", true);
// 付款科目下拉列表初始化
this.comboBoxPaymentObject.Items.Add("库存现金");
this.comboBoxPaymentObject.Items.Add("银行存款");
this.comboBoxPaymentObject.SelectedIndex = 0;
this.textBoxMakeOrderStaff.Text = DbPublic.getInctance().getCurrentLoginUserName();
this.textBoxPaymentOrderNumber.Text = BillNumber.getInctance().getNewBillNumber(PAYMENT_ORDER_BILL_NUMBER, DateTime.Now.ToString("yyyyMMdd"));
// 如果单据号不为空，说明用户是在其他明细账中查看该单据详细信息，此处需要显示出单据的详细信息
if (m_billNumber.Length > 0)
{
this.comboBoxPaymentObject.Enabled = false;
initUserInterfaceValue();
}
else
{
this.toolStripButtonReview.Enabled = false;
}
setPageActionEnable();
}
public void IdentifierToStringWorks()
{
var number = "1234";
var id = new BillNumber(number);
var str = id.ToString();
Assert.AreEqual(number, str);
}
private void readProInfoListToUI()
{
for (int index = 0; index < m_proInfoList.Count; index++)
{
ArrayList record = new ArrayList();
record = m_proInfoList[index];
if (index == 0)
{
this.labelTradingDate.Visible = true;
this.labelTradingDate.Text = DateTime.Now.ToString("yyyy-MM-dd");
// 单据号
this.labelBillNumber.Text = BillNumber.getInctance().getNewBillNumber(BillTypeNumber, DateTime.Now.ToString("yyyy-MM-dd"));
// 制单人初始化
this.labelMakeBillStaff.Visible = true;
this.labelMakeBillStaff.Text = DbPublic.getInctance().getCurrentLoginUserName();
// 项目编号初始
this.textBoxProjectNo.Visible = false;
this.textBoxProjectNo.ReadOnly = true;
this.labelProjectNo.Visible = true;
this.labelProjectNo.Text = record[0].ToString();
this.labelProjectNo.Visible = true;
// 生产编号初始化
FormProjectMaterielTable proInfo = FormProject.getInctance().getProjectInfoFromBillNumber(record[0].ToString());
this.textBoxMakeNo.Visible = false;
//this.textBoxMakeNo.ReadOnly = true;
this.labelMakeNo.Visible = true;
this.labelMakeNo.Text = proInfo.makeNum;
this.labelMakeNo.Visible = true;
m_materieOutOrder.isReview = "1";
}
setMatetielInfoToDataGridView(Convert.ToString(record[1]), index);
dataGridViewDataList.Rows[index].Cells[(int)DataGridColumnName.Value].Value = Convert.ToDouble(record[2]) - Convert.ToDouble(record[3]);
string xxMatetielTableRowNum = Convert.ToString(record[7]);
if (xxMatetielTableRowNum.Length > 0)
{
ProjectManagerDetailsTable tmp = ProjectManagerDetails.getInctance().getMaterielInfoFromRowNum(record[0].ToString(), Convert.ToInt32(record[7]));
if (tmp.materielSize != null && tmp.materielSize.Length > 0)
{
dataGridViewDataList.Rows[index].Cells[(int)DataGridColumnName.Note].Value = "尺寸：" + tmp.materielSize;
}
}
dataGridViewDataList.Rows[index].Cells[(int)DataGridColumnName.xxMatetielTableRowNum].Value = Convert.ToString(record[7]);
setTurnoverInfoDataGridView(index);
}
}
public RevenueRecord(Identification identification, Revenue revenue, BillNumber billNumber, bool isFirstAttempt = true, EvidenceMode mode = EvidenceMode.Online)
{
Identifier = Guid.NewGuid();
Identification = identification;
Revenue = revenue;
BillNumber = billNumber;
IsFirstAttempt = isFirstAttempt;
Mode = mode;
Signature = Convert.ToBase64String(GetSignatureBytes());
SecurityCode = GetSecurityCode();
}
private void save_Click(object sender, EventArgs e)
{
this.ActiveControl = this.toolStrip1;
/**
* 函数处理逻辑
* 1、得到页面所有控件的值
* 2、根据付款科目类型，看本次交易是现金交易，还是银行交易
* 3、如果是现金交易写现金明细账，如果是银行存款交易写银行存款明细账
* 4、提示保存成功或者保存失败的原因。
* 5、把本次交易的单据号中的数字部分取出，写入到BILL_NUMBER
* NOTE:单据保存时，不需要考虑是否审核，审核人，现金账或银行帐余额这几个信息。
*
* */
try
{
if ((this.comboBoxPaymentType.Text.IndexOf("应付") != -1 ||
this.comboBoxPaymentType.Text.IndexOf("采购") != -1) &&
textBoxSourceOrderNumber.Text.Length == 0)
{
MessageBoxExtend.messageWarning("原单据号或往来单位不能为空，请选择.");
return;
}
if (this.textBoxTransactionAmount.Text.Length == 0)
{
MessageBoxExtend.messageWarning("交易金额不能为空.");
return;
}
if (this.comboBoxPaymentObject.Text.IndexOf("现金") != -1)
{
// 把数据插入到现金明细表
writeDataToCashCashsubLedger();
}
else
{
// 把数据插入到银行存款明细表
writeDataToBankCashsubLedger();
}
BillNumber.getInctance().inserBillNumber(PAYMENT_ORDER_BILL_NUMBER,
this.dateTime.Value.ToString("yyyyMMdd"),
this.textBoxPaymentOrderNumber.Text.ToString());
OperatorLog.getInctance().insert(502, "新增单据[" + this.textBoxPaymentOrderNumber.Text + "]");
this.Close();
}
catch (Exception)
{
}
}
private void save_Click(object sender, EventArgs e)
{
m_isSaveSuccess = false;
if ((sender.ToString() == "保存" || sender.ToString() == "审核") &&
MaterielOutOrder.getInctance().checkBillIsReview(this.labelBillNumber.Text.ToString()))
{
MessageBoxExtend.messageWarning("单据已被审核，所有数据无法进行更改，无法重复保存或审核\r\n请重新登录或手动刷新后查看单据详情");
return;
}
this.ActiveControl = this.toolStrip1;
bool isReLoad = true;
if (sender == null && e == null)
{
isReLoad = false;
}
// 得到详细的销售信息
ArrayList dataList = getMaterielOutOrderDetailsValue();
if (dataList.Count > 0)
{
// 销售订单表头和表尾信息
MaterielOutOrderTable record = getMaterielOutOrderValue();
if (orderInfoIsFull(record) && orderDetailsIsFull(dataList))
{
MaterielOutOrder.getInctance().insert(record, false, isReLoad);
MaterielOutOrderDetails.getInctance().insert(dataList);
BillNumber.getInctance().inserBillNumber(BillTypeNumber, this.labelTradingDate.Text, this.labelBillNumber.Text.ToString());
m_isSaveSuccess = true;
if (m_billNumber.Length == 0)
{
MessageBoxExtend.messageOK("数据保存成功");
}
this.Close();
}
}
else
{
MessageBoxExtend.messageWarning("此单据不包含任何交易信息，单据保存失败.");
}
}
private void FormSaleQuotationOrder_Load(object sender, EventArgs e)
{
if (m_billNumber.Length == 0)
{
// 单据号
this.labelBillNumber.Text = BillNumber.getInctance().getNewBillNumber(BillTypeNumber, DateTime.Now.ToString("yyyy-MM-dd"));
// 制单人初始化
this.labelMakeBillStaff.Visible = true;
this.labelMakeBillStaff.Text = DbPublic.getInctance().getCurrentLoginUserName();
}
else
{
readBillInfoToUI();
}
}
public RevenueRecord(Identification identification, Revenue revenue, BillNumber billNumber, bool isFirstAttempt = true, EvidenceMode mode = EvidenceMode.Online)
{
Identifier = Guid.NewGuid();
Identification = identification;
Revenue = revenue;
BillNumber = billNumber;
IsFirstAttempt = isFirstAttempt;
Mode = mode;
Signature = Convert.ToBase64String(GetSignatureBytes());
SecurityCode = GetSecurityCode();
//// The generated GUID should comply with UUID v4.0. This is meant to be a sanity check just to make sure the EET specs are correct.
if (!StringHelpers.SafeMatches(Identifier.ToString(), Patterns.UUID))
{
throw new ArgumentException("The generated message UUID does not comply with EET requirements.");
}
}
private void save_Click(object sender, EventArgs e)
{
m_isSaveSuccess = false;
if ((sender.ToString() == "保存" || sender.ToString() == "审核") &&
FormProject.getInctance().checkBillIsReview(this.labelBillNumber.Text.ToString()))
{
MessageBoxExtend.messageWarning("单据已被审核，所有数据无法进行更改，无法重复保存或审核\r\n请重新登录或手动刷新后查看单据详情");
return;
}
this.ActiveControl = this.toolStrip1;
// 得到详细的采购信息
ArrayList dataList = getOrderDetailsValue();
if (dataList.Count > 0)
{
// 采购订单表头和表尾信息
geTableHadeAndEndValue();
if (purchaseOrderIsFull(m_currentOrderInfo) && purchaseOrderDetailsIsFull(dataList))
{
FormProject.getInctance().insert(m_currentOrderInfo, false);
ProjectManagerDetails.getInctance().insert(dataList);
BillNumber.getInctance().inserBillNumber(BillTypeNumber + m_tablesType, this.labelTradingDate.Text, this.labelBillNumber.Text.ToString());
m_isSaveSuccess = true;
if (m_billNumber.Length == 0)
{
MessageBoxExtend.messageOK("数据保存成功");
}
// 自动形成库存占用
AutoGenerateMaterielPro(dataList);
this.Close();
}
}
else
{
MessageBoxExtend.messageWarning("此单据不包含任何交易信息，单据保存失败.");
}
}
private void readProInfoListToUI()
{
for (int index = 0; index < m_proInfoList.Count; index++)
{
ArrayList record = new ArrayList();
record = m_proInfoList[index];
if (index == 0)
{
this.labelTradingDate.Visible = true;
this.labelTradingDate.Text = DateTime.Now.ToString("yyyy-MM-dd");
// 单据号
this.labelBillNumber.Text = BillNumber.getInctance().getNewBillNumber(BillTypeNumber, DateTime.Now.ToString("yyyy-MM-dd"));
// 制单人初始化
this.labelMakeBillStaff.Visible = true;
this.labelMakeBillStaff.Text = DbPublic.getInctance().getCurrentLoginUserName();
this.panelDeliveryDate.Visible = true;
this.labelDeliveryDate.Visible = true;
this.dateTimePickerDeliveryDate.Visible = false;
this.labelDeliveryDate.Text = this.dateTimePickerDeliveryDate.Value.ToString("yyyy-MM-dd");
// xx总材料表编号初始化
this.labelProject.Visible = true;
this.labelProject.Text = record[0].ToString();
this.panelProjectNum.Visible = false;
this.textBoxProject.Visible = false;
this.textBoxProject.ReadOnly = true;
// 生产编号初始化
FormProjectMaterielTable proInfo = FormProject.getInctance().getProjectInfoFromBillNumber(record[0].ToString());
this.labelProject.Text += "(" + proInfo.makeNum + ")";
m_purchaseOrder.isReview = "1";
}
setMatetielInfoToDataGridView(Convert.ToString(record[1]), index);
dataGridViewDataList.Rows[index].Cells[(int)DataGridColumnName.Value].Value = Convert.ToDouble(record[2]) - Convert.ToDouble(record[3]);
dataGridViewDataList.Rows[index].Cells[(int)DataGridColumnName.xxMatetielTableRowNum].Value = Convert.ToString(record[7]);
setTurnoverInfoDataGridView(index);
}
}
private void buttonEnter_Click(object sender, EventArgs e)
{
if (textBoxPrice.Text.Length == 0)
{
MessageBoxExtend.messageWarning("单价不能为空");
return;
}
if (textBoxPrice.Text.Length > 20)
{
MessageBoxExtend.messageWarning("单价最大长度不能超过10");
textBoxPrice.Text = "";
return;
}
if (textBoxValue.Text.Length == 0)
{
MessageBoxExtend.messageWarning("数量不能为空");
return;
}
if (MessageBoxExtend.messageQuestion("请确认是否要对[" + m_materielName + "]的成本进行调整，这将会影响到此物料实时库存的加权单价?"))
{
if (InitMateriel.getInctance().checkMaterielIsExist(m_materielPkey))
{
// 第一步 插入插入到存货明细表（STORAGE_STOCK_DETAIL），已解决实际库存和历史库存信息可能不对应的问题
StorageStockDetailTable storageStockDetailRecord = new StorageStockDetailTable();
storageStockDetailRecord.materielID = m_materielPkey;
storageStockDetailRecord.tradingDate = DateTime.Now.ToString("yyyyMMdd HH:mm:ss");
storageStockDetailRecord.billNumber = BillNumber.getInctance().getNewBillNumber(20, DateTime.Now.ToString("yyyy-MM-dd"));
storageStockDetailRecord.thingsType = "期初成本调整";
storageStockDetailRecord.isIn = 3;
storageStockDetailRecord.value = 0;
storageStockDetailRecord.price = 0;
// 交易完毕后数量和单价
InitMaterielTable materielStorageData = InitMateriel.getInctance().getMaterielInfoFromMaterielID(m_materielPkey);
storageStockDetailRecord.storageValue = materielStorageData.value;
storageStockDetailRecord.storagePrice = Convert.ToDouble(this.textBoxPrice.Text.ToString());
StorageStockDetail.getInctance().insert(storageStockDetailRecord);
// 第二步 更新实时库存表（INIT_STORAGE_STOCK）
InitMaterielTable record = new InitMaterielTable();
record.materielID = m_materielPkey;
record.price = Convert.ToDouble(this.textBoxPrice.Text.ToString());
record.value = materielStorageData.value;
InitMateriel.getInctance().update(materielStorageData.pkey, record);
}
else
{
// 第一步 插入插入到存货明细表（STORAGE_STOCK_DETAIL），已解决实际库存和历史库存信息可能不对应的问题
StorageStockDetailTable storageStockDetailRecord = new StorageStockDetailTable();
storageStockDetailRecord.materielID = m_materielPkey;
storageStockDetailRecord.tradingDate = DateTime.Now.ToString("yyyyMMdd HH:mm:ss");
storageStockDetailRecord.billNumber = BillNumber.getInctance().getNewBillNumber(20, DateTime.Now.ToString("yyyy-MM-dd"));
storageStockDetailRecord.thingsType = "期初成本调整";
storageStockDetailRecord.isIn = 3;
storageStockDetailRecord.value = 0;
storageStockDetailRecord.price = 0;
storageStockDetailRecord.storageValue = 0.0;
storageStockDetailRecord.storagePrice = Convert.ToDouble(this.textBoxPrice.Text.ToString());
StorageStockDetail.getInctance().insert(storageStockDetailRecord);
// 第二步 更新实时库存表（INIT_STORAGE_STOCK）
InitMaterielTable record = new InitMaterielTable();
record.materielID = m_materielPkey;
record.price = Convert.ToDouble(this.textBoxPrice.Text.ToString());
record.value = 0.0;
InitMateriel.getInctance().insert(record, true);
}
m_isAddToInitMaterielList = true;
this.Close();
}
}
void ReleaseDesignerOutlets()
{
if (Address != null)
{
Address.Dispose();
Address = null;
}
if (BillNumber != null)
{
BillNumber.Dispose();
BillNumber = null;
}
if (DeleteButton != null)
{
DeleteButton.Dispose();
DeleteButton = null;
}
if (EditButton != null)
{
EditButton.Dispose();
EditButton = null;
}
if (EnddateLabel != null)
{
EnddateLabel.Dispose();
EnddateLabel = null;
}
if (EnddateValue != null)
{
EnddateValue.Dispose();
EnddateValue = null;
}
if (HorizontalLine != null)
{
HorizontalLine.Dispose();
HorizontalLine = null;
}
if (HormalHorizontalLine != null)
{
HormalHorizontalLine.Dispose();
HormalHorizontalLine = null;
}
if (MoneyToPayLabel != null)
{
MoneyToPayLabel.Dispose();
MoneyToPayLabel = null;
}
if (MoneyToPayValue != null)
{
MoneyToPayValue.Dispose();
MoneyToPayValue = null;
}
if (Name != null)
{
Name.Dispose();
Name = null;
}
if (OldBillLabel != null)
{
OldBillLabel.Dispose();
OldBillLabel = null;
}
if (OldBillLValue != null)
{
OldBillLValue.Dispose();
OldBillLValue = null;
}
if (ReportDateLabel != null)
{
ReportDateLabel.Dispose();
ReportDateLabel = null;
}
if (ReportDateValue != null)
{
ReportDateValue.Dispose();
ReportDateValue = null;
}
}
public override string ToString()
{
return(BillNumber.ToString());
}
