This is a migrated thread and some comments may be shown as answers.

Help me use ReportBook?

2 Answers 110 Views

General Discussions

This is a migrated thread and some comments may be shown as answers.

Peter asked on 29 Jun 2011, 05:38 PM

print.png

   private void btnInHDGTGT_Click(object sender, RoutedEventArgs e)
        {
                //this is create ReportBook
                ReportBook book = new ReportBook();

                //create ReportViewer add to control Wpf of WinReport.xaml
                WinReport WinReport = new WinReport();

                //foreach in grvOrder get order (master) => orderDetails
                foreach (Order order in grvOrder.Items)
                {
                    //Create list orderDetails
                    List<OrderDetail> listOrderDetails = new List<OrderDetail>();
                    foreach (OrderDetail OrderDetail in order.OrderDetails)
                    {
                        //add all orderdetails to listOrderDetails
                        listOrderDetails.Add(OrderDetail);
                    }

                    //this is a template of report RptOrderGTGTDemo.cs ==> container information orderDetails show report
                    RptOrderGTGTDemo RptOrderGTGT = new RptOrderGTGTDemo();

                    //add source to report item
                    RptOrderGTGT.Report.DataSource = listOrderDetails;

                    //add multiple report item to reportbook
                    book.Reports.Add(RptOrderGTGT);
                }

            //out of foreach add report to ReportViewer
                WinReport.rptReport.Report = book;
                WinReport.ShowDialog();
            }
----------------------
an error : System.NullReferenceException: Object reference not set to an instance of an object.
   at Telerik.ReportViewer.Wpf.ReportViewerModel.Print()
   at Telerik.ReportViewer.Wpf.ReportViewerModel.PrintReportCommandImpl.Execute(Object parameter)
   at Telerik.ReportViewer.Wpf.ReportViewerModel.Command.System.Windows.Input.ICommand.Execute(Object parameter)
thanks!

Help me use ReportBook?

2 Answers, 1 is accepted