/// <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_backTableAdapter())
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_back_headTableAdapter())
using (var daContent = new t_material_back_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 (DataSetMaterialBack.v_material_backRow row in tab.Rows)
{
//从原料结存清单中扣除
if (!ydOperateMaterial.DecreaseMaterialBalance(
daBalance,
BillType.Back,
row.supplier_name,
row.material_name,
row.price,
row.qty
))
{
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"]);
//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 txtSupplierCode = (TextBox)tr.Cells[1].Controls[0];
var txtSupplierName = (TextBox)tr.Cells[2].Controls[0];
var txtMaterialCode = (TextBox)tr.Cells[3].Controls[0];
var txtMaterialName = (TextBox)tr.Cells[4].Controls[0];
var txtMaterialSize = (TextBox)tr.Cells[5].Controls[0];
var txtQty = (TextBox)tr.Cells[6].Controls[0];
var txtMaterialUnit = (TextBox)tr.Cells[7].Controls[0];
var txtPrice = (TextBox)tr.Cells[8].Controls[0];
var txtRemark = (TextBox)tr.Cells[9].Controls[0];
//取得数据
byte rowId = Convert.ToByte(litRowId.Text);
string supplierCode = txtSupplierCode.Text;
string supplierName = txtSupplierName.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)
{
//保存到原料结存清单
if (daBalance.InsertData(
supplierCode,
supplierName,
materialCode,
materialName,
materialSize,
qty,
materialUnit,
price,
remark,
addPerson,
false
) <= 0)
{
throw new Exception("保存到原料结存清单失败！");
}
//保存到单据内容清单
if (daContent.Insert(
billNum,
rowId,
supplierCode,
supplierName,
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,
billRemark,
addPerson,
addTime,
lastChangeTime
) <= 0)
{
throw new Exception("保存到单据表头清单失败！");
}
}
}
}
//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);
}
}
}
}
/// <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_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
{
//取得之前盘盈单清单记录
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、原料结存和待盘盈数据适配器
using (var daHead = new t_material_back_headTableAdapter())
using (var daContent = new t_material_back_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盘盈记录
foreach (DataSetMaterialBack.v_material_backRow row in tab.Rows)
{
//执行扣减结存
if (!ydOperateMaterial.DecreaseMaterialBalance(
daBalance,
BillType.Back,
row.supplier_name,
row.material_name,
row.price,
row.qty
))
{
return false;
}
}
//根据盘盈单号删除全部盘盈内容记录
if (daContent.DeleteByBillNum(billNum) <= 0)
{
throw new Exception("根据单号删除全部盘盈内容记录失败！");
}
//根据盘盈单号删除全部盘盈表头记录
if (daHead.Delete(billNum) <= 0)
{
throw new Exception("根据单号删除全部盘盈表头记录失败！");
}
}
}
//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("删除盘盈单记录出现错误:\n" + ex.Message);
}
}
}
}
/// <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_backTableAdapter())
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_back_headTableAdapter())
using (var daContent = new t_material_back_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 (DataSetMaterialBack.v_material_backRow row in tab.Rows)
{
//从原料结存清单中扣除
if (!ydOperateMaterial.DecreaseMaterialBalance(
daBalance,
BillType.Back,
row.supplier_name,
row.material_name,
row.price,
row.qty
))
{
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！");
}
}
//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);
}
}
}
}