public List<Good> findAll()
{
using(GoodsDBEntities entity = new GoodsDBEntities()){
return entity.Good.Select(e => new Good
{
id = e.good_id,
name = e.good_name,
price = e.good_price.Value,
quantity = e.good_quantity.Value
}).ToList();
};
}
public bool delete(Good good)
{
using (GoodsDBEntities entity = new GoodsDBEntities())
{
try
{
int id = Convert.ToInt32(good.id);
GoodEntity g = entity.Good.Single(p => p.good_id == id);
entity.Good.Remove(g);
entity.SaveChanges();
return true;
}
catch
{
return false;
}
};
}
public bool edit(Good good)
{
using (GoodsDBEntities entity = new GoodsDBEntities())
{
try
{
int id = Convert.ToInt32(good.id);
GoodEntity g = entity.Good.Single(p => p.good_id == id);
g.good_name = good.name;
g.good_price = good.price;
g.good_quantity = good.quantity;
entity.SaveChanges();
return true;
}
catch
{
return false;
}
};
}
public bool create(Good good)
{
using (GoodsDBEntities entity = new GoodsDBEntities())
{
try
{
GoodEntity g = new GoodEntity();
g.good_id = good.id;
g.good_name = good.name;
g.good_price = good.price;
g.good_quantity = good.quantity;
//entity.Good.Add(g);
entity.Good.Add(g);
entity.SaveChanges();
return true;
}
catch
{
return false;
}
};
}
public Good findById(string id)
{
using (GoodsDBEntities entity = new GoodsDBEntities())
{
int nid = Convert.ToInt32(id);
return entity.Good.Where(e => e.good_id == nid).Select(e => new Good
{
id = e.good_id,
name = e.good_name,
price = e.good_price.Value,
quantity = e.good_quantity.Value
}).First();
};
}
