protected void btn_Them_Click(object sender, EventArgs e)
{
ThongKeDTO tkDTO = new ThongKeDTO();
tkDTO.TenHoatDong = tbTenHD.Text;
tkDTO.ChiPhi = (float)Convert.ToDouble(tbChiPhi.Text);
ThongKeBUS tkBUS = new ThongKeBUS();
tkBUS.ThemHoatDong(tkDTO);
FilGVDanhSachHoatDong();
}