I have a report viewer and a dataset with 4 tables, i would

System;

System.Collections.Generic;

System.ComponentModel;

System.Data;

System.Drawing;

System.Data.SqlClient;

System.Text;

System.Threading.Tasks;

System.Windows.Forms;

Microsoft.Reporting.WinForms;

NewTechBookStore

public partial class Form1 : Form

public Form1()

string report;

dtBook;

dtCustomer;

dtBillDetails;

dtPayment;

dtAddress;

private void Form1_Load(object sender, EventArgs e)

SqlConnection con = new SqlConnection();

string cs = "Data Source=.; Initial Catalog=NewTechBookStore;User id=sa;Password=123456";

SqlDataAdapter da = new SqlDataAdapter("testSP", con);

CommandType.StoredProcedure;

DataSet  ds = new DataSet("New");

for (int i = 0; i < ds.Tables.Count; i++)

ReportDataSource reportDataSource = new ReportDataSource();

const string rut = "Reporting.Reports.";

if (textBox1.Text.Trim() == report)        

this.reportViewer1.ProcessingMode = ProcessingMode.Local;

this.reportViewer1.LocalReport.ReportEmbeddedResource = rut + report + ".rdlc";

this.reportViewer1.LocalReport.DataSources.Clear();      

this.reportViewer1.LocalReport.DataSources.Add(reportDataSource);

this.reportViewer1.RefreshReport();