RE: What's database field are used in crystal report file?

Question

Hi all
Please help me a C# code that using Crystall Report API (Crystal Report XI- Develop license) to get the list of database fieldname that using in crystal Report file. (What's database field using in header section ,group section , detail section of report.....)
We looking forward to hearing from you
Thanks
Son

Answer 1

Hello Son,
please use this code below to get a list of used database fields in a report :
//File Name:          CS_Get_report_data_out_inproc.sln
//Created:            April 11, 2008
//Author ID:          FLI
//Purpose:            This C# .NET sample Windows application demonstrates
//                  how to retrieve report data and put the into a XML file
//                  using unmanaged RAS.
// Note this is available without a dedicated RAS with SP2 for XI R2
using System;
using System.IO;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using CrystalDecisions.CrystalReports.Engine;
using CrystalDecisions.ReportAppServer.ClientDoc;
using CrystalDecisions.ReportAppServer.Controllers;
using CrystalDecisions.ReportAppServer.DataDefModel;
namespace CS_Get_report_data_out_inproc
    public partial class Form1 : Form
        // CR Declarations
        ReportDocument boReportDocument;
        ISCDReportClientDocument boReportClientDocument;
        public Form1()
            InitializeComponent();
            //Create a new ReportDocument
            boReportDocument = new ReportDocument();
            // load the RPT file
            boReportDocument.Load("..
ReportData.rpt");
            // show in reportviewer
            crystalReportViewer1.ReportSource = boReportDocument;
        private void button1_Click(object sender, EventArgs e)
            //Access the ReportClientDocument in the ReportDocument (EROM bridge)
            boReportClientDocument = boReportDocument.ReportClientDocument;
            // Retrieve the Rowset Controller
            RowsetController boRowsetController = boReportClientDocument.RowsetController;
            // Retrieve the metadata (column headers) - this allows you to only retrieve the data that is on the report.
            RowsetMetaData boRowsetMetaData = new RowsetMetaData();
            Fields boFields = boReportClientDocument.DataDefinition.ResultFields;
            boRowsetMetaData.DataFields = boFields;
            // Now print out the data in XML file
            //(Note: This will print out the results of formulas too)
            StreamWriter sw = new StreamWriter("C:
ReportData.xml", false);
            sw.WriteLine("<?xml version='1.0' encoding='utf-8'?>");
            sw.WriteLine("<ReportData>");
            sw.WriteLine("<Reportheader>");
            // Print out the titles
            for (int i = 0; i < boFields.Count; i++)
                String boFieldName = boFields<i>.Name;
                sw.WriteLine("<ReportheaderDetail>" + boFieldName + "</ReportheaderDetail>");
            sw.WriteLine("</Reportheader>");
            //Create the cursor which lets us loop through the data
            RowsetCursor boRowsetCursor = boRowsetController.CreateCursor(null, boRowsetMetaData, 1);
            Record boRecord;
            while (boRowsetCursor.IsEOF == false)
                sw.WriteLine("<Customer>");
                boRecord = boRowsetCursor.CurrentRecord;
                for (int j = 0; j < boFields.Count; j++)
                    try
                        sw.WriteLine("<Detail>" + (String)boRecord[j].ToString() + "</Detail>");
                    catch (Exception err)
                        sw.WriteLine("<Error>" + err.Message + "</Error>");
                sw.WriteLine("</Customer>");
                boRowsetCursor.MoveNext();
            sw.WriteLine("</ReportData>");
            // CLose the file
            sw.Close();
            MessageBox.Show("XML File 'ReportData.xml' successfully created on C:");