/// <summary> /// 执行删除数据并处理相关数据一致性 /// </summary> /// <param name="e">传入的带有数据的事件参数</param> /// <returns></returns> private bool DeleteData(FormViewDeleteEventArgs e) { //当前单号 string billNum = Convert.ToString(e.Keys[0]); //数据适配器 //当前数据库连接 //当前更新语句对象 using (var da = new v_material_returnTableAdapter()) using (var conn = da.Connection) { //打开数据库连接 conn.Open(); //开启事务 using (var tran = conn.BeginTransaction()) { //试运行 try { //设置事务 da.Transaction = tran; //获取数据 var tab = da.GetDataByBillNum(billNum); //检查是否获取到行 if (tab.Rows.Count == 0) { //显示失败 throw new Exception("当前记录已经被其他用户删除!"); } //数据适配器 using (var daHead = new t_material_return_headTableAdapter()) using (var daContent = new t_material_return_contentTableAdapter()) using (var daBalance = new t_material_balanceTableAdapter()) { //设置数据库连接 daHead.Connection = daContent.Connection = daBalance.Connection = conn; //设置事务 daHead.Transaction = daContent.Transaction = daBalance.Transaction = tran; //将之前的单据内容写回 foreach (DataSetMaterialReturn.v_material_returnRow row in tab.Rows) { //执行添加到结存 if (!ydOperateMaterial.AddMaterialBalance( tran, BillType.Return, row.bill_num, row.row_id )) { return false; } } //从单据内容中删除 if (daContent.DeleteByBillNum(billNum) <= 0) { throw new Exception("删除单据内容记录失败!"); } //从单据表头中删除 if (daHead.Delete(billNum) <= 0) { throw new Exception("删除单据表头记录失败!"); } } //提交事务 tran.Commit(); //返回成功 return true; } catch (Exception ex) { //回滚事务 tran.Rollback(); //非数字返回失败 throw new Exception(ex.Message); } } } }
/// <summary> /// 根据单号从数据库中删除单据的表头和内容 /// </summary> /// <param name="billNum">单据号</param> private bool DeleteBillByBillNum(string billNum) { //实例化数据适配器 using (var da = new v_material_returnTableAdapter()) //取得数据库连接 using (var conn = da.Connection) { //打开数据库连接 conn.Open(); //事务 using (var tran = conn.BeginTransaction()) { //设置事务 da.Transaction = tran; try { //取得之前退货单清单记录 var tab = da.GetDataByBillNum(billNum); //检测是否存在数据 if (tab.Rows.Count >= 0) { //单据表头行、内容行、原料结存和待退货数据适配器 using (var daHead = new t_material_return_headTableAdapter()) using (var daContent = new t_material_return_contentTableAdapter()) using (var daBalance = new t_material_balanceTableAdapter()) { //设置连接对象 daHead.Connection = daContent.Connection = daBalance.Connection = tran.Connection; //设置事务 daHead.Transaction = daContent.Transaction = daBalance.Transaction = tran; //遍历行执行删除各行的结存记录和写回待退货记录 foreach (DataSetMaterialReturn.v_material_returnRow row in tab.Rows) { //执行添加到结存 if (!ydOperateMaterial.AddMaterialBalance( tran, BillType.Return, row.bill_num, row.row_id )) { return false; } } //根据退货单号删除全部退货内容记录 if (daContent.DeleteByBillNum(billNum) <= 0) { throw new Exception("根据单号删除全部退货内容记录失败!"); } //根据退货单号删除全部退货表头记录 if (daHead.Delete(billNum) <= 0) { throw new Exception("根据单号删除全部退货表头记录失败!"); } } } //提交事务 tran.Commit(); //返回成功 return true; } catch (Exception ex) { //回滚事务 tran.Rollback(); //抛出错误 throw new Exception("删除退货单记录出现错误:\n" + ex.Message); } } } }
/// <summary> /// 根据输入的参数值来执行更新数据 /// </summary> /// <param name="e">传入的带有数据的事件参数</param> /// <returns></returns> private bool UpdateData(FormViewUpdateEventArgs e) { //数据适配器 //当前添加语句对象 //当前数据库连接 using (var da = new v_material_returnTableAdapter()) using (var conn = da.Connection) { //打开数据库连接 conn.Open(); //开启事务 using (var tran = conn.BeginTransaction()) { //设置事务 da.Transaction = tran; //试运行 try { //当前行单号 string billNum = Convert.ToString(e.Keys[0]); //获取数据 using (var tab = da.GetDataByBillNum(billNum)) { //检查是否获取到行 if (tab.Rows.Count == 0) { //显示失败 throw new Exception("当前记录已经被其他用户删除!"); } //数据适配器 using (var daHead = new t_material_return_headTableAdapter()) using (var daContent = new t_material_return_contentTableAdapter()) using (var daBalance = new t_material_balanceTableAdapter()) using (var daName = new t_material_nameTableAdapter()) using (var daPrice = new t_material_price_historyTableAdapter()) { //设置数据库连接 daHead.Connection = daContent.Connection = daBalance.Connection = daName.Connection = daPrice.Connection = conn; //设置事务 daHead.Transaction = daContent.Transaction = daBalance.Transaction = daName.Transaction = daPrice.Transaction = tran; //将之前的单据内容写回 foreach (DataSetMaterialReturn.v_material_returnRow row in tab.Rows) { //执行添加结存 if (!ydOperateMaterial.AddMaterialBalance( tran, BillType.Return, row.bill_num, row.row_id )) { return false; } } //从单据内容中删除 if (daContent.DeleteByBillNum(billNum) <= 0) { throw new Exception("从单据内容中删除失败!"); } //从单据表头中删除 if (daHead.Delete(billNum) <= 0) { throw new Exception("从单据表头中删除失败!"); } //日期 DateTime billDate = Convert.ToDateTime(e.NewValues["bill_date"]); //供应商代码 string supplierCode = Convert.ToString(e.NewValues["supplier_code"]); //供应商名称 string supplierName = Convert.ToString(e.NewValues["supplier_name"]); //付款方式 string returnWay = Convert.ToString(e.NewValues["return_way"]); //单据备注 string billRemark = Convert.ToString(e.NewValues["remark"]); //录入员 string addPerson = e.NewValues["add_person"].ToString(); //录入时间 DateTime addTime = Convert.ToDateTime(e.NewValues["add_time"]); //最后修改时间 DateTime lastChangeTime = Convert.ToDateTime(e.NewValues["last_change_time"]); //含有数据的行数 int iCountContent = 0; //遍历子表执行保存 for (int iRow = 0; iRow < 10; iRow++) { //子表各控件 var tr = tabDataListSon.Rows[iRow + 1]; var litRowId = (Literal)tr.Cells[0].Controls[0]; var txtMaterialCode = (TextBox)tr.Cells[1].Controls[0]; var txtMaterialName = (TextBox)tr.Cells[2].Controls[0]; var txtMaterialSize = (TextBox)tr.Cells[3].Controls[0]; var txtQty = (TextBox)tr.Cells[4].Controls[0]; var txtMaterialUnit = (TextBox)tr.Cells[5].Controls[0]; var txtPrice = (TextBox)tr.Cells[6].Controls[0]; var txtRemark = (TextBox)tr.Cells[7].Controls[0]; //取得数据 byte rowId = Convert.ToByte(litRowId.Text); string materialCode = txtMaterialCode.Text; string materialName = txtMaterialName.Text; string materialSize = txtMaterialSize.Text; decimal qty = txtQty.Text.Trim().Length <= 0 ? 0m : decimal.Parse(txtQty.Text.Trim()); string materialUnit = txtMaterialUnit.Text; decimal price = txtPrice.Text.Trim().Length <= 0 ? 0m : decimal.Parse(txtPrice.Text.Trim()); string remark = txtRemark.Text; //存在数据才保存 if (materialCode.Length > 0 && materialName.Length > 0 && materialUnit.Length > 0 && qty > 0) { //从原料结存清单扣数 if (!ydOperateMaterial.DecreaseMaterialBalance( daBalance, BillType.Out, supplierName, materialName, price, qty )) { return false; } //保存到单据内容清单 if (daContent.Insert( billNum, rowId, materialCode, materialName, materialSize, qty, materialUnit, price, remark ) <= 0) { throw new Exception("保存到单据内容清单失败!"); } //含有数据的行数计数 iCountContent++; } } //保存表头 if (iCountContent > 0) { if (daHead.Insert( billDate, billNum, supplierCode, supplierName, returnWay, billRemark, addPerson, addTime, lastChangeTime ) <= 0) { throw new Exception("保存到单据内容清单失败!"); } } } } //提交事务 tran.Commit(); //返回成功 return true; } catch (Exception ex) { //回滚事务 tran.Rollback(); //非数字返回失败 throw new Exception(ex.Message); } } } }