private void FormThongKe_Load(object sender, EventArgs e)
{
chartKhachHang.DataSource = thongKeBLL.LayThongKeKhachHangTheoNamSinh();
chartKhachHang.ChartAreas["ChartKhachHang"].AxisX.Title = "Tuổi";
chartKhachHang.ChartAreas["ChartKhachHang"].AxisY.Title = "Số lượng";
chartKhachHang.Series["TuoiKhachHang"].XValueMember = "NamSinh";
chartKhachHang.Series["TuoiKhachHang"].YValueMembers = "SoLuong";
chartLoaiQuangCaoTheoNam.DataSource = thongKeBLL.ThongKeLoaiQuangCaoTheoNam(Int32.Parse(cbNamTheoLoaiQuangCao.Text));
chartLoaiQuangCaoTheoNam.ChartAreas["ChartLoaiQuangCaoTheoNam"].AxisX.Title = "Tên loại quảng cáo";
chartLoaiQuangCaoTheoNam.ChartAreas["ChartLoaiQuangCaoTheoNam"].AxisY.Title = "Số lượng";
chartLoaiQuangCaoTheoNam.Series["LoaiQuangCaoTheoNam"].XValueMember = "TenLoaiQuangCao";
chartLoaiQuangCaoTheoNam.Series["LoaiQuangCaoTheoNam"].YValueMembers = "SoLuong";
cbLoaiQuangCao.DataSource = loaiQuangCaoBLL.LayDanhSachLoaiQuangCao();
cbLoaiQuangCao.DisplayMember = "TenLoaiQuangCao";
cbLoaiQuangCao.ValueMember = "MaLoaiQuangCao";
checkLoadDone = true;
dataGridViewDoanhThuTheoLoaiQuangCao.Rows.Add();
int nam = int.Parse(cbNamTheoLoaiQuangCao.Text);
chartDoanhThuTheoLoaiQuangCao.Series.Clear();
double TongTien = 0.0;
Series series = new Series
{
Name = "series2",
IsVisibleInLegend = false,
ChartType = SeriesChartType.Column
};
chartDoanhThuTheoLoaiQuangCao.Series.Add(series);
for (int i = 1; i <= 12; i++)
{
double tien = thongKeBLL.LayDoanhThuTheoLoaiQuangCao(i, nam, Int32.Parse(cbLoaiQuangCao.SelectedValue.ToString()));
TongTien += tien;
series.Points.Add(tien);
var p1 = series.Points[i - 1];
p1.AxisLabel = "Tháng " + i;
p1.LegendText = "Tháng " + i;
if (tien > 0)
{
p1.Label = string.Format("{0:#,###0}", tien);
}
dataGridViewDoanhThuTheoLoaiQuangCao.Columns[i + 1].DefaultCellStyle.Format = "N2";
dataGridViewDoanhThuTheoLoaiQuangCao.Rows[0].Cells[i + 1].Value = tien;
}
dataGridViewDoanhThuTheoLoaiQuangCao.Columns[1].DefaultCellStyle.Format = "N2";
dataGridViewDoanhThuTheoLoaiQuangCao.Rows[0].Cells[1].Value = TongTien;
// dataGridViewDoanhThuTheoLoaiQuangCao.Rows[0].Cells[0].Value = cbLoaiQuangCao.Text.ToString();
}