using System;
using System.Windows.Forms;
using CrystalDecisions.CrystalReports.Engine;
using CrystalDecisions.Shared;
using System.Data;

namespace WindowsApplication1
{
    public partial class Form1 : Form
    {

        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            DataSet1 ds = new DataSet1();
            DataTable t = ds.Tables.Add("Items");
            t.Columns.Add("id", Type.GetType("System.Int32"));
            t.Columns.Add("Item", Type.GetType("System.String"));

            DataRow r ;
            int i = 0;
            for (i = 0; i <= 9; i++)
            {
                r = t.NewRow();
                r["id"] = i;
                r["Item"] = "Item" + i;
                t.Rows.Add(r);
            }

            CrystalReport1 objRpt = new CrystalReport1();
            objRpt.SetDataSource(ds.Tables[1]);
            crystalReportViewer1.ReportSource = objRpt;
            crystalReportViewer1.Refresh(); 
        }
    }
}