private void loadDuLieu()
{
dgvDanhSach.Rows.Clear();
DataTable dt = HoaDonBanControl.layDanhSach();
for (int i = 0; i < dt.Rows.Count; ++i)
{
int idTrangThai = Convert.ToInt32(dt.Rows[i]["TrangThai"].ToString());
string tenTrangThai = "";
if (idTrangThai == 1)
{
tenTrangThai = "Đã thanh toán";
}
else if (idTrangThai == 2)
{
tenTrangThai = "Đang giao";
}
else if (idTrangThai == 3)
{
tenTrangThai = "Chưa thanh toán";
}
else if (idTrangThai == 4)
{
tenTrangThai = "Hoàn trả";
}
dgvDanhSach.Rows.Add(new object[] { false, dt.Rows[i][0], dt.Rows[i]["TenKH"], dt.Rows[i]["TenNV"], dt.Rows[i]["NgayLap"], tenTrangThai });
}
}