private void LamMoi() { deGioDi.Text = ""; deGioVe.DateTime = TimeServer.AddSeconds(-1); deGioDi.DateTime = deGioVe.DateTime; dulieu = lienlac.GetNVHoatDong_ForBaoVe();//.ToDataTableEnVang("SoHieuXe"); txtSoHieu.Properties.DataSource = dulieu; txtSoHieu.Properties.DisplayMember = "SoHieuXe"; txtSoHieu.Properties.ValueMember = "MaLaiXe"; txtSoHieu.EditValue = null; txtChiSoDi.Text = string.Empty; txtChiSoVe.Text = string.Empty; lookupEdit_BanCo_GiamSatXe_Reason.EditValue = null; txtGhiChu.Text = string.Empty; lblmsg.Text = ""; lblTenLaiXe.Text = ""; ActiveControl = txtSoHieu; lookupEdit_BanCo_GiamSatXe_Reason.EditValue = GiamSatXe_Reasons_HetCaLamViec_ID; }