data is not coming on crystal report

See more:

C#

ASP.NET

CrystalReports

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
using System.Data;
using CrystalDecisions.CrystalReports.Engine;
using CrystalDecisions.Shared;




public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        ReportDocument rpt = new ReportDocument();
        bday ds = new bday();
       DataTable dt = new DataTable();
       dt.TableName = "crystal report";
       dt = getallorders();
       ds.Tables[0].Merge(dt);
       rpt.Load(Server.MapPath("~/ROKKIE.rpt"));
      rpt.SetDataSource(ds);
     CrystalReportViewer1.ReportSource = rpt;
    }

    public DataTable getallorders()
    {
        SqlConnection con = new SqlConnection();
        con.ConnectionString = System.Configuration.ConfigurationManager.ConnectionStrings["KKConnectionString"].ConnectionString;
        SqlCommand cmd = new SqlCommand();
        DataSet ds = null;
        SqlDataAdapter adapter;
        try
        {
            con.Open();
            cmd.CommandText = "select * from jj";
      
            
            cmd.Connection = con;
            ds = new DataSet();
            adapter = new SqlDataAdapter(cmd);
            adapter.Fill(ds, "user");


        }

        catch (Exception ex)
        {
            throw new Exception(ex.Message);
        }

        finally
        {
            cmd.Dispose();
            con.Close();
        }

        return ds.Tables[0];

    }
}

I am trying this code to bring data from databse to over crystal report data is not coming over it from databse only blank report is coming with database table coloum name.

like

FIRSTNAME SECONDNAME