private void btnRollBack_Click(object sender, EventArgs e) { try { DialogResult dreocon = MessageBox.Show("请确定要将此消费帐单返销吗?", "系统提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question); if (dreocon == DialogResult.Yes) { long conserialNo = 0; long igserialNo = 0; using (AMSEntities amscontext2 = new AMSEntities()) { tbConsserialNo conserial1 = new tbConsserialNo(); conserial1.vcFill = "0"; amscontext2.AddTotbConsserialNo(conserial1); tbIgSerialNo igserial1 = new tbIgSerialNo(); igserial1.vcFill = "0"; amscontext2.AddTotbIgSerialNo(igserial1); amscontext2.SaveChanges(); conserialNo = conserial1.iSerialNo; igserialNo = igserial1.iSerialNo; } using (AMSEntities amsContext = new AMSEntities()) { DateTime dtoperdate = DateTime.Now; long longassid = long.Parse(txtAssID.Text.Trim()); tbAssociatorCard asscard1 = amsContext.tbAssociatorCard.FirstOrDefault(ac => ac.iAssID == longassid && ac.cCardState == "1"); if (asscard1 == null) { throw new Exception("会员信息不符,请检查是否此会员卡不是正常在用,请重试!"); } tbIntegral intg1 = amsContext.tbIntegral.FirstOrDefault(ig => ig.iAssID == asscard1.iAssID && ig.vcAssCardID == asscard1.vcAssCardID); if (intg1 == null) { throw new Exception("获取当前余额积分异常,请重试!"); } var dtMaxIgDate = (from item in amsContext.tbIntegralLog where item.iAssID == asscard1.iAssID && item.vcAssCardID == asscard1.vcAssCardID && item.vcIgType == "IG002" select item.dtIgDate).Max(); string maxConsSerial = ""; if (dtMaxIgDate != null) { maxConsSerial = (from item in amsContext.tbConsumption where item.iAssID == asscard1.iAssID && item.vcAssCardID == asscard1.vcAssCardID && item.dtConsDate > dtMaxIgDate && item.vcFlag == "0" select item.iConsSerial).Max().ToString(); } else { maxConsSerial = (from item in amsContext.tbConsumption where item.iAssID == asscard1.iAssID && item.vcAssCardID == asscard1.vcAssCardID && item.vcFlag == "0" select item.iConsSerial).Max().ToString(); } if (maxConsSerial == null || maxConsSerial == "") { throw new Exception("没有可返销的消费帐单记录,请重试!"); } long longcons = long.Parse(maxConsSerial); var conslist = from item in amsContext.tbConsumption where item.iConsSerial == longcons orderby item.iNO select item; if (conslist == null) { throw new Exception("没有可返销的消费帐单记录!"); } tbBillInvoice bill1 = amsContext.tbBillInvoice.FirstOrDefault(bl => bl.vcAssCardID == asscard1.vcAssCardID && bl.vcEffFlag == "1" && bl.vcLinkSerial == longcons); if (bill1 == null) { throw new Exception("没有可返销的消费帐单记录!"); } tbIntegralLog iglog1 = amsContext.tbIntegralLog.FirstOrDefault(igg => igg.iLinkCons == longcons); if (iglog1 == null) { throw new Exception("没有可返销的消费帐单记录!"); } if (bill1.iBillNo.ToString() != txtBillNo.Text.Trim() || maxConsSerial != txtConsSerial.Text.Trim()) { throw new Exception("数据异常,请重试!"); } intg1.nBalance = intg1.nBalance + (decimal)bill1.dTotalFee; intg1.iIgValue = (int)intg1.iIgValue - (int)bill1.dIgGet; ObjectStateEntry ose = amsContext.ObjectStateManager.GetObjectStateEntry(intg1); foreach (var item in conslist) { item.vcFlag = "1"; item.iLink = conserialNo; item.dtOperDate = dtoperdate; item.vcComments += "-由操作员:" + GlobalParams.oper.vcOperName + ",返销"; tbConsumption cons1 = new tbConsumption(); cons1.iConsSerial = conserialNo; cons1.iNO = item.iNO; cons1.iAssID = item.iAssID; cons1.vcAssCardID = item.vcAssCardID; cons1.vcGoodsCode = item.vcGoodsCode; cons1.nGoodsPrice = -item.nGoodsPrice; cons1.iConsCount = item.iConsCount; cons1.nLastBalance = decimal.Parse(ose.OriginalValues["nBalance"].ToString()); cons1.nConsCharge1 = -item.nConsCharge1; cons1.nConsRate = item.nConsRate; cons1.nConsCharge2 = -item.nConsCharge2; cons1.nBalance = decimal.Parse(ose.CurrentValues["nBalance"].ToString()); cons1.dtConsDate = dtoperdate; cons1.dtOperDate = dtoperdate; cons1.vcFlag = "9"; cons1.iLink = item.iConsSerial; cons1.vcOperID = GlobalParams.oper.vcOperID; cons1.vcClass = GlobalParams.strClass; cons1.vcComments = ""; amsContext.AddTotbConsumption(cons1); } iglog1.vcComments += "-本次积分已被返销"; tbIntegralLog ignew = new tbIntegralLog(); ignew.iIgSerial = igserialNo; ignew.iNo = 1; ignew.iAssID = iglog1.iAssID; ignew.vcAssCardID = iglog1.vcAssCardID; ignew.iIgLast = int.Parse(ose.OriginalValues["iIgValue"].ToString()); ignew.dtIgDate = dtoperdate; ignew.vcIgName = "0"; ignew.vcIgType = "IG003"; ignew.iIgGet = -(int)bill1.dIgGet; ignew.iIgArrival = int.Parse(ose.CurrentValues["iIgValue"].ToString()); ignew.iLinkCons = conserialNo; ignew.vcOperID = GlobalParams.oper.vcOperID; ignew.vcComments = ""; amsContext.AddTotbIntegralLog(ignew); tbBusiLog busilog1 = new tbBusiLog(); busilog1.vcAssName = txtAssName.Text.Trim(); busilog1.vcAssCardID = intg1.vcAssCardID; busilog1.vcLinkSerial = conserialNo; busilog1.vcOperType = "OT012"; busilog1.vcOperID = GlobalParams.oper.vcOperID; busilog1.vcOperName = GlobalParams.oper.vcOperName; busilog1.dtOperDate = dtoperdate; busilog1.iAssID = intg1.iAssID; amsContext.AddTotbBusiLog(busilog1); amsContext.SaveChanges(); txtCardID.Text = ""; txtAssName.Text = ""; txtBillNo.Text = ""; txtCurCharge.Text = ""; txtCurIG.Text = ""; txtConsFee.Text = ""; txtConsDate.Text = ""; txtAssID.Text = ""; txtConsSerial.Text = ""; btnRollBack.Enabled = false; DataTable dtConsList = new DataTable(); dtConsList.Columns.Add("消费项名称"); dtConsList.Columns.Add("单价"); dtConsList.Columns.Add("折扣"); dtConsList.Columns.Add("数量"); dtConsList.Columns.Add("单项合计"); dtConsList.Columns.Add("备注"); dtConsList.PrimaryKey = new DataColumn[] { dtConsList.Columns["消费项名称"], dtConsList.Columns["单价"], dtConsList.Columns["折扣"] }; dgvConsList.DataSource = dtConsList; MessageBox.Show("本次消费帐单返销成功!", "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Information); txtCardID.Focus(); } } } catch (Exception ex) { ErrorLog.Write(this, ex, "返销异常"); this.Close(); } }