private void btnMatDoSuDung_ThongKe_Click(object sender, EventArgs e)
{
if (cbMatDoSuDung_Thang.Text != "")
{
List <PhongDTO> dsphg = new List <PhongDTO>();
dsphg = PhongBUS.LayDSPhong();
int[] arrNgayThue = new int[dsphg.Count];
arrNgayThue = PhongBUS.LapBaoCaoMatDo(Int32.Parse(cbMatDoSuDung_Thang.Text));
int tong = 0;
for (int i = 0; i < dsphg.Count; i++)
{
tong += arrNgayThue[i];
}
dgv_MatDoSudung.Rows.Clear();
for (int i = 0; i < dsphg.Count; i++)
{
dgv_MatDoSudung.Rows.Add(i + 1, dsphg[i].MaPhong, arrNgayThue[i],
(Convert.ToDouble(arrNgayThue[i]) * 100 / Convert.ToDouble(tong)).ToString("00.00") + "%");
}
}
else
{
MessageBox.Show("Bạn chưa chọn tháng", "Lỗi", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}