public List <Khoi> getKhoi()
{
try
{
var khoi = khoibus.getKhoi();
var k1 = khoibus.GetTatCaKhoi();
var k = k1.Select(x => x.MaKhoi).ToList();
khoi.Select(x => x.MaKhoi).ToList().ForEach(x =>
{
if (k.Contains(x))
{
k.Remove(x);
}
});
if (k.Count > 0)
{
k.ForEach(x =>
{
khoi.Add(new Khoi()
{
MaKhoi = x,
TenKhoi = k1.First(i => i.MaKhoi == x).TenKhoi,
SoLop = 0,
NamHoc = 0
});
});
}
return(khoi);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return(null);
}
}
public void InitKhoi()
{
KhoiBUS khoiBUS = new KhoiBUS();
khoi = khoiBUS.GetTatCaKhoi();
var cbk = khoi.Select(x => new { Id = x.MaKhoi, Ten = x.TenKhoi }).ToList();
cbk.Insert(0, new { Id = 0, Ten = "Chọn khối" });
cbKhoi.DataSource = cbk;
cbKhoi.ValueMember = "Id";
cbKhoi.DisplayMember = "Ten";
}