public int add(HangSX obj)
{
this._db.ds_hangsx.Add(obj);
//commit
this.save();
//return ma moi nhat
return this._db.ds_hangsx.Max(x => x.id);
}
public Boolean delete(HangSX obj)
{
try
{
//get entity
obj = this.get_by_id(obj.id);
//remove
this._db.ds_hangsx.Remove(obj);
//commit
return this.save();
}
catch (Exception ex)
{
Debug.WriteLine(ex.ToString());
return false;
}
}
public List<string> validate(HangSX obj)
{
List<String> re = new List<string>();
if (obj.ten.Equals(""))
{
re.Add("ten_fail");
}
return re;
}
public void change(HangSX hsx)
{
ten = hsx.ten;
active = hsx.active;
}
private void btThem_Click(object sender, EventArgs e)
{
btXoa.Enabled = false;
btSua.Enabled = false;
gbThongTin.Enabled = true;
ThongTinFormHangSX = new HangSX();
}
private void btSua_Click(object sender, EventArgs e)
{
if (dtgvHangSX.SelectedRows.Count == 0) return;
btXoa.Enabled = false;
btThem.Enabled = false;
gbThongTin.Enabled = true;
ThongTinFormHangSX = (HangSX)dtgvHangSX.SelectedRows[0].DataBoundItem;
}
public int timkiem_count(String id = "", String masp = "", String ten = "", String mota = "", int gia_from = 0, int gia_to = 0, HangSX hangsx = null, String active = "")
{
return timkiem(id, masp, ten, mota, gia_from, gia_to, hangsx ,active).Count;
}
public List<SanPham> timkiem(String id = "", String masp = "", String ten = "", String mota = "", int gia_from = 0, int gia_to = 0, HangSX hangsx = null, String active = "", String order_by = "id", Boolean order_desc = true, int start_point = 0, int count = -1)
{
List<SanPham> obj_list = new List<SanPham>();
//find by LIKE element
obj_list = this._db.ds_sanpham.Where(x =>
x.masp.Contains(masp)
&& x.ten.Contains(ten)
&& x.mota.Contains(mota)
).ToList();
//filter by id
if (!id.Equals(""))
{
int id_i = TextLibrary.ToInt(id);
obj_list = obj_list.Where(x => x.id == id_i).ToList();
}
//Filter by gia
if (gia_from>0 || gia_to>0)
{
obj_list = obj_list.Where(x => x.gia >= gia_from && x.gia<=gia_to).ToList();
}
//filter by HangSX List
if (hangsx != null)
{
obj_list = obj_list.Where(x => x.hangsx.id == hangsx.id).ToList();
}
//Filter again by by active
if (!active.Equals(""))
{
Boolean active_b = TextLibrary.ToBoolean(active);
obj_list = obj_list.Where(x => x.active == active_b).ToList();
}
//order
if (order_by.Equals("id"))
{
if (order_desc)
{
obj_list = obj_list.OrderByDescending(x => x.id).ToList();
}
else
{
obj_list = obj_list.OrderBy(x => x.id).ToList();
}
}
else if (order_by.Equals("gia"))
{
if (order_desc)
{
obj_list = obj_list.OrderByDescending(x => x.gia).ToList();
}
else
{
obj_list = obj_list.OrderBy(x => x.gia).ToList();
}
}
//limit
if (count >= 0)
{
obj_list = obj_list.Skip(start_point).Take(count).ToList();
}
//FINAL return
return obj_list;
}
