/// <summary>
/// 删除数据
/// </summary>
/// <param name="paraTb_Goodinfotosupermarket"></param>
/// <returns>true：删除成功，false：不存在该记录</returns>
public bool deleteMode(tb_GoodInfoToSuperMarket paraTb_Goodinfotosupermarket)
{
if(paraTb_Goodinfotosupermarket == null)
throw new ArgumentNullException("paraTb_Goodinfotosupermarket");
try
{
var query = from p in _context.tb_GoodInfoToSuperMarket
where p.GoodSuperID == paraTb_Goodinfotosupermarket.GoodSuperID
select p;
if (query.ToList().Count<1)
{
return false;
}
else
{
foreach(var model in query.ToList())
{
if(!_context.IsAttached(model))
_context.tb_GoodInfoToSuperMarket.Attach(model);
_context.tb_GoodInfoToSuperMarket.DeleteObject(model);
_context.SaveChanges();
}
return true;
}
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 插入数据
/// </summary>
/// <param name="paraTb_Goodinfotosupermarket"></param>
/// <returns>true：插入成功，false：已存在该记录</returns>
public bool addMode(tb_GoodInfoToSuperMarket paraTb_Goodinfotosupermarket)
{
if(paraTb_Goodinfotosupermarket == null)
throw new ArgumentNullException("paraTb_Goodinfotosupermarket");
try
{
var query = from p in _context.tb_GoodInfoToSuperMarket
where p.GoodSuperID == paraTb_Goodinfotosupermarket.GoodSuperID
select p;
if (query.ToList().Count() > 0)
{
return false;
}
else
{
_context.tb_GoodInfoToSuperMarket.AddObject(paraTb_Goodinfotosupermarket);
_context.SaveChanges();
return true;
}
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 用于向 tb_GoodInfoToSuperMarket EntitySet 添加新对象的方法，已弃用。请考虑改用关联的 ObjectSet<T> 属性的 .Add 方法。
/// </summary>
public void AddTotb_GoodInfoToSuperMarket(tb_GoodInfoToSuperMarket tb_GoodInfoToSuperMarket)
{
base.AddObject("tb_GoodInfoToSuperMarket", tb_GoodInfoToSuperMarket);
}
/// <summary>
/// 更新数据
/// </summary>
/// <param name="paraTb_Goodinfotosupermarket"></param>
/// <returns>true：更新成功，false：更新数据失败，不存在该记录！</returns>
public bool updateMode(tb_GoodInfoToSuperMarket paraTb_Goodinfotosupermarket)
{
if(paraTb_Goodinfotosupermarket == null)
throw new ArgumentNullException("paraTb_Goodinfotosupermarket");
try
{
var oldEntity = (from p in _context.tb_GoodInfoToSuperMarket
where p.GoodSuperID == paraTb_Goodinfotosupermarket.GoodSuperID
select p).FirstOrDefault();
if (oldEntity == null)
{
return false;
}
else
{
_context.ApplyCurrentValues(oldEntity.GetType().Name, paraTb_Goodinfotosupermarket);
_context.SaveChanges();
return true;
}
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 创建新的 tb_GoodInfoToSuperMarket 对象。
/// </summary>
/// <param name="goodSuperID">GoodSuperID 属性的初始值。</param>
public static tb_GoodInfoToSuperMarket Createtb_GoodInfoToSuperMarket(global::System.Int32 goodSuperID)
{
tb_GoodInfoToSuperMarket tb_GoodInfoToSuperMarket = new tb_GoodInfoToSuperMarket();
tb_GoodInfoToSuperMarket.GoodSuperID = goodSuperID;
return tb_GoodInfoToSuperMarket;
}