private void RefreshForm()
{
isRefresh = true;
lookUp_SoHieu.Properties.DataSource = CommonBL.ListXe_NotIn_GiamSatXe;
lookUp_SoHieu.Properties.DisplayMember = "SoHieuXe";
lookUp_SoHieu.Properties.ValueMember = "SoHieuXe";
DanhSachXeHoatDong = lienlac.GetNhanVienList();
lookUp_LaiXe.Properties.DataSource = DanhSachXeHoatDong;
lookUp_LaiXe.Properties.DisplayMember = "TenVietTat";
lookUp_LaiXe.Properties.ValueMember = "MaLaiXe";
dtServer = Taxi.Business.CommonBL.GetTimeServer();
deGioDi.DateTime = dtServer;
spin_ChiSoDi.Text = "";
spin_ChiSoDi.EditValue = null;
lVungDieuHanh.EditValue = null;
txtGhiChu.Text = "";
txtNode.EditValue = null;
lookUp_LaiXe.EditValue = null;
lookUp_SoHieu.EditValue = null;
lookUp_SoHieu.Focus();
chkTrucDem.Checked = false;
chk2Lai.Checked = false;
chkCa3.Checked = false;
lblmsg.Text = string.Empty;
isRefresh = false;
}