/// <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 daContent = new t_sample_notice_contentTableAdapter())
//取得数据库连接
using (var conn = daContent.Connection)
{
//打开数据库连接
conn.Open();
//事务
using (var tran = conn.BeginTransaction())
{
//设置事务
daContent.Transaction = tran;
try
{
//当前单号
var billNum = Convert.ToString(e.Keys[0]);
//当前行号
byte rowId = Convert.ToByte(e.Keys[1]);
//根据单号和行号删除记录
if (daContent.Delete(billNum, rowId) <= 0)
{
throw new Exception("根据单号删除内容记录失败！");
}
//检测当前记录内容行数
int? iCount = (int?)daContent.CountByBillNum(billNum);
if (iCount.HasValue && iCount.Value <= 0)
{
//表头适配器
using (var daHead = new t_sample_notice_headTableAdapter())
{
//设置事务
daHead.Transaction = daContent.Transaction = tran;
//删除表头
if (daHead.Delete(billNum) <= 0)
{
throw new Exception("根据单号删除表头记录失败！");
}
}
}
//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("删除入仓单记录出现错误:\n" + 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 daHead = new t_sample_notice_headTableAdapter())
using (var daContent = new t_sample_notice_contentTableAdapter())
//取得数据库连接
using (var conn = daHead.Connection)
{
//打开数据库连接
conn.Open();
//设置数据库连接
daContent.Connection = conn;
//事务
using (var tran = conn.BeginTransaction())
{
//设置事务
daHead.Transaction = daContent.Transaction = tran;
try
{
//执行删除
daHead.Delete(billNum);
daContent.DeleteByBillNum(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("删除样板通知单记录出现错误:\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
//数据适配器
using (var daHead = new t_sample_notice_headTableAdapter())
using (var daContent = new t_sample_notice_contentTableAdapter())
using (var conn = daHead.Connection)
{
//打开数据库连接
conn.Open();
//设置数据库连接
daContent.Connection = conn;
//开启事务
using (var tran = conn.BeginTransaction())
{
//设置事务
daHead.Transaction = daContent.Transaction = tran;
//试运行
try
{
//当前行单号
string billNum = Convert.ToString(e.Keys[0]);
//检测是否需要保存表头
if (canEditHeadRow)
{
//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！");
}
//保存表头
daHead.Insert(
Convert.ToDateTime(e.NewValues["bill_date"]),
billNum,
Convert.ToString(e.NewValues["order_id"]),
Convert.ToString(e.NewValues["remark"]),
Convert.ToString(e.NewValues["add_person"]),
Convert.ToDateTime(e.NewValues["add_time"]),
Convert.ToDateTime(e.NewValues["last_change_time"])
);
}
//检测是否需要保存表身
if (canEditSonRow)
{
//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！");
}
//获取表身内容
var rowId = Request.Form.GetValues("row_id");
var materialType = Request.Form.GetValues("material_type");
var materialCode = Request.Form.GetValues("material_code");
var materialName = Request.Form.GetValues("material_name");
var materialSize = Request.Form.GetValues("material_size");
var materialUnit = Request.Form.GetValues("material_unit");
var materialPnlLength = Request.Form.GetValues("material_pnl_length");
var materialPnlWidth = Request.Form.GetValues("material_pnl_width");
var materialPnlCountPcs = Request.Form.GetValues("material_pnl_count_pcs");
var materialPnlQty = Request.Form.GetValues("material_pnl_qty");
//取得表身内保存的行数
var iCountContentRow = 0;
//遍历保存表身内容
for (int i = 0; i < rowId.Length; i++)
{
//有数据才保存
if (
materialType[i].Trim().Length > 0 ||
materialCode[i].Trim().Length > 0 ||
materialName[i].Trim().Length > 0 ||
materialUnit[i].Trim().Length > 0 ||
materialPnlLength[i].Trim().Length > 0 ||
materialPnlWidth[i].Trim().Length > 0 ||
materialPnlCountPcs[i].Trim().Length > 0 ||
materialPnlQty[i].Trim().Length > 0
)
{
//执行保存
daContent.Insert(
billNum,
Convert.ToByte(rowId[i]),
Convert.ToString(materialType[i]),
Convert.ToString(materialCode[i]),
Convert.ToString(materialName[i]),
Convert.ToString(materialSize[i]),
Convert.ToString(materialUnit[i]),
Convert.ToDecimal(materialPnlLength[i]),
Convert.ToDecimal(materialPnlWidth[i]),
Convert.ToInt32(materialPnlCountPcs[i]),
Convert.ToDecimal(materialPnlQty[i])
);
//累加已保存行数
iCountContentRow++;
}
}
//检测行数
if (iCountContentRow <= 0)
{
//抛出错误
throw new Exception("单据无内容不能保存！");
}
}
//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);
}
}
}
}