public virtual CrystalDecisions.CrystalReports.Engine.ReportDocument CreateReport()
        {
            rptCR rpt = new rptCR();

            rpt.Site = this.Site;
            return(rpt);
        }
コード例 #2
0
        private void Form1_Load(object sender, EventArgs e)
        {
            //declare connection string, please substitute DataSource with your Server name
            string cnString = "Data Source=(local);Initial Catalog=RealWorld; Integrated Security=SSPI;";

            //declare Connection, command and other related objects
            SqlConnection conReport = new SqlConnection(cnString);
            SqlCommand    cmdReport = new SqlCommand();
            SqlDataReader drReport;
            DataSet       dsReport = new dsRSandCR();

            try
            {
                //open connection
                conReport.Open();

                //prepare connection object to get the data through reader and populate into dataset
                cmdReport.CommandType = CommandType.Text;
                cmdReport.Connection  = conReport;
                cmdReport.CommandText = "Select * FROM BooksInfo Order By BookTitle";

                //read data from command object
                drReport = cmdReport.ExecuteReader();

                //load data directly from reader to dataset
                dsReport.Tables[0].Load(drReport);

                //close reader and connection
                drReport.Close();
                conReport.Close();

                //provide local report information to viewer
                reportViewer1.LocalReport.ReportEmbeddedResource = "RSandCR.rptRS.rdlc";

                //prepare report data source
                ReportDataSource rds = new ReportDataSource();
                rds.Name  = "dsRSandCR_dtRSandCR";
                rds.Value = dsReport.Tables[0];
                reportViewer1.LocalReport.DataSources.Add(rds);

                //load report viewer
                reportViewer1.RefreshReport();

                // prepare and load crystal reports viewer
                rptCR reportCR = new rptCR();

                // add typed data set as data source
                reportCR.SetDataSource(dsReport.Tables[0]);

                // hide group tree which is visible by default for full view of report
                crystalReportViewer1.DisplayGroupTree = false;

                // bind report instance with cyrstal report viewer for user display
                crystalReportViewer1.ReportSource = reportCR;
            }
            catch (Exception ex)
            {
                //display generic error message back to user
                MessageBox.Show(ex.Message);
            }
            finally
            {
                //check if connection is still open then attempt to close it
                if (conReport.State == ConnectionState.Open)
                {
                    conReport.Close();
                }
            }
        }