public void layDSLoai()
{
DataTable dtLoai = LoaiSPControl.layDSLoai(idMH);
for (int i = 0; i < dtLoai.Rows.Count; ++i)
{
listLoai.Add(new LoaiSP(Convert.ToInt32(dtLoai.Rows[i][0].ToString()), dtLoai.Rows[i][1].ToString()));
}
}
private void frmThemSP_Load(object sender, EventArgs e)
{
List <LoaiSP> list = new List <LoaiSP>();
DataTable dt = LoaiSPControl.layDSLoai();
for (int i = 0; i < dt.Rows.Count; ++i)
{
list.Add(new LoaiSP(Convert.ToInt32(dt.Rows[i]["MaLoaiSP"].ToString()), dt.Rows[i]["TenLoaiSP"].ToString()));
}
cbLoai.DataSource = list;
cbLoai.DisplayMember = "TenLoai";
}