private void btnPrint_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { try { var row = gvDONDATDA.FocusedRowHandle; var obj = gvDONDATDA.GetFocusedRow(); if (obj == null) { return; } var objData = (DONDATDA_ViewModel)obj; var DONDATDA = new DONDATDABll().GetDONDATDA(objData.iddondat); var D_DONDATDA = new DONDATDABll().GetListD_DONDATDA(objData.iddondat); using (frmPrint frm = new frmPrint()) { frm.PrintDONDATDA(DONDATDA, D_DONDATDA); frm.ShowDialog(); } } catch { } }