private void dataGridViewDSTiec_CellClick(object sender, DataGridViewCellEventArgs e)
{
//lay du lieu
string id = dataGridViewDSTiec.CurrentRow.Cells[0].Value.ToString();
//load ds da dat tu Id tiec
CTTiec_BUS t = new CTTiec_BUS();
dataGridViewDSDaDat.DataSource = t.LoadCTHDTheoIDTiec(id);
//cap nhat tong tien
float kq = 0;
int dong = dataGridViewDSDaDat.RowCount;
for (int i = 0; i < dong; i++)
{
kq += float.Parse(dataGridViewDSDaDat.Rows[i].Cells[1].Value.ToString()) * float.Parse(dataGridViewDSDaDat.Rows[i].Cells[2].Value.ToString());
}
labelTongTien.Text = kq.ToString();
}
private void btnThemMon_Click(object sender, EventArgs e)
{
//lay du lieu
string id = dataGridViewDSTiec.CurrentRow.Cells[0].Value.ToString();
string mon = dataGridViewDSMon.CurrentRow.Cells[1].Value.ToString();
float dongia = float.Parse(dataGridViewDSMon.CurrentRow.Cells[2].Value.ToString());
int soluong = 0;
if (txtSoLuong.Text == "")
{
MessageBox.Show("Bạn chưa nhập số lượng! Vui lòng thử lại.");
return;
}
else
{
soluong = int.Parse(txtSoLuong.Text);
}
CTTiec_DTO tiec = new CTTiec_DTO(id, mon, dongia, soluong);
//them vao CTTiec
CTTiec_BUS t = new CTTiec_BUS();
t.ThemCTTiec(tiec);
//hien thi CTTiec
dataGridViewDSDaDat.DataSource = t.LoadCTHDTheoIDTiec(id);
//cap nhat tong tien
float kq = 0;
int dong = dataGridViewDSDaDat.RowCount;
for (int i = 0; i < dong; i++)
{
kq += (float.Parse(dataGridViewDSDaDat.Rows[i].Cells[1].Value.ToString()) * float.Parse(dataGridViewDSDaDat.Rows[i].Cells[2].Value.ToString()));
}
labelTongTien.Text = kq.ToString();
//cap nhat tong tien TIEC
Tiec_BUS tiecbus = new Tiec_BUS();
tiecbus.CapNhatTongTien(id, float.Parse(labelTongTien.Text));
//cap nhat ds
dataGridViewDSTiec.DataSource = tiecbus.LoadTiec();
//bingding
bingding();
}
