Printing Bill using Crystal Reports

Question

I tried to print bills through Crystal Reports but it is coming out blank.

 

 

 

any suggestions will be appreciated.

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Data.SqlClient;
using CrystalDecisions.CrystalReports.Engine;
namespace NSPM_Sales_Invoice
{
public partial class PrintBills : Form
{
SqlConnection con = new SqlConnection(Properties.Settings.Default.NSPM_Sales_InvoiceCon);
ReportDocument Cryrpt = new ReportDocument();
SqlDataAdapter dr;
public PrintBills()
{
InitializeComponent();
}
private void PrintBills_Load(object sender, EventArgs e)
{
txtJobNo.Text = Class1.strinv;
try
{
con.Open();
SqlDataAdapter da = new SqlDataAdapter("select Tbl_HeaderData.JobNo,Tbl_HeaderData.Date,Tbl_HeaderData.GoodValue,Tbl_HeaderData.Vat,Tbl_HeaderData.StampDuty,Tbl_HeaderData.DeliveryCharges,Tbl_HeaderData.OtherCharges,Tbl_HeaderData.Total,Tbl_RowData.SINo,Tbl_RowData.Customer, Tbl_RowData.Description,Tbl_RowData.Price,Tbl_Rowdata.Quantity,Tbl_RowData.Value,Tbl_RowData.JobNo from Tbl_HeaderData Inner Join Tbl_RowData on Tbl_HeaderData.JobNo = Tbl_RowData.JobNo Where Tbl_HeaderData.JobNo = '" + txtJobNo.Text + "'", con);
DataSet dst = new DataSet();
da.Fill(dst, "PrintBills");
Cryrpt.Load("PrintBill.rpt");
Cryrpt.SetDataSource(dst);
crystalReportViewer1.ReportSource = Cryrpt;
con.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
}