/// <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(ListViewDeleteEventArgs e)
{
//实例化数据适配器
using (var da = new v_complete_lot_card_backTableAdapter())
//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
{
//当前盘盈单号
string billNum = e.Keys[0].ToString();
//当前行号
byte rowId = Convert.ToByte(e.Keys[1]);
//取得该条盘盈单清单记录
var tab = da.GetDataByBillNumAndRowId(billNum, rowId);
//检测是否存在数据
if (tab.Rows.Count <= 0)
{
throw new Exception(string.Format("当前单据:\n单号:{0}\n行号:{1}\n已经被其他用户删除!", billNum, rowId));
}
//单据内容、成品结存和待盘盈数据适配器
using (var daContent = new t_complete_lot_card_back_contentTableAdapter())
using (var daBalance = new t_complete_lot_card_balanceTableAdapter())
{
//设置连接对象
daContent.Connection = daBalance.Connection = tran.Connection;
//设置事务
daContent.Transaction = daBalance.Transaction = tran;
//遍历行执行删除各行的结存记录
foreach (DataSetCompleteBack.v_complete_lot_card_backRow row in tab.Rows)
{
//执行扣减结存
ydOperateCompleteLotCard.DecreaseCompleteBalance(
daBalance,
row.prev_proc_name,
row.lot_id,
row.pnl_qty,
row.pcs_qty
);
}
//根据盘盈单号和行号删除盘盈记录
daContent.Delete(billNum, rowId);
//检测当前盘盈记录内容行数
int? iCount = daContent.CountByBillNum(billNum);
if (iCount.HasValue && iCount.Value <= 0)
{
//表头适配器
using (var daHead = new t_complete_lot_card_back_headTableAdapter())
{
//删除表头
daHead.Delete(billNum);
}
}
}
//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("删除成品盘盈单记录出现错误:\n" + ex.Message);
}
}
}
}
