private void cbbMaDoan_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
int maDoan = int.Parse(cbbMaDoan.Text);
DataTable tbDoan = doan.getInfoDoan(maDoan);
cbbMaTour.Text = tbDoan.Rows[0]["MaTour"].ToString();
tbTenDoan.Text = tbDoan.Rows[0]["TenDoan"].ToString();
dtGioDi.Text = tbDoan.Rows[0]["GioDi"].ToString();
dtGioVe.Text = tbDoan.Rows[0]["GioVe"].ToString();
tbKh = doan.getKhachHang(maDoan);
dgvKH.DataSource = tbKh;
tbNV = doan.getNVTD(maDoan);
dgvNV.DataSource = tbNV;
tbCp = doan.getChiPhi(maDoan);
dgvChiPhi.DataSource = tbCp;
}
catch (Exception) { }
}