private void btnPrint_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { try { var row = gvGIAOHANG.FocusedRowHandle; var obj = gvGIAOHANG.GetFocusedRow(); if (obj == null) { return; } var objData = (GIAOHANG_ViewModel)obj; var GIAOHANG = new GIAOHANGBll().GetGIAOHANG(objData.idpgiao); var D_GIAOHANG = new GIAOHANGBll().GetListD_GIAOHANG(objData.idpgiao); using (frmPrint frm = new frmPrint()) { frm.PrintGIAOHANG(GIAOHANG, D_GIAOHANG); frm.ShowDialog(); } } catch { } }