WinForms Data Grid - How to display master-detail tables in separate grid controls

C#
using System.Data;
using System.Windows.Forms;

namespace Q205299
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            DataSet dataSet11 = new DataSet();
            dataSet11.Tables.Add(GetCustomerDataTable());
            dataSet11.Tables.Add(GetPersonDataTable());
            DataColumn keyColumn = dataSet11.Tables["Customers"].Columns["ID"];
            DataColumn foreignKeyColumn = dataSet11.Tables["Persons"].Columns["ID"];
            dataSet11.Relations.Add("CustomersPersons", keyColumn, foreignKeyColumn);

            bindingSource1.DataSource = dataSet11;
            bindingSource1.DataMember = "Customers";
            bindingSource2.DataSource = bindingSource1;
            bindingSource2.DataMember = "CustomersPersons";

            gridControl1.DataSource = bindingSource1;
            gridControl2.DataSource = bindingSource2;
        }
        DataTable GetCustomerDataTable()
        {
            DataTable table = new DataTable();
            table.TableName = "Customers";
            table.Columns.Add(new DataColumn("Items", typeof(string)));
            table.Columns.Add(new DataColumn("Money", typeof(double)));
            table.Columns.Add(new DataColumn("ID", typeof(int)));
            for (int i = 0; i < 10; i++)
                table.Rows.Add("Product " + i, 3000 + i * 298.55M, i);
            return table;
        }
        DataTable GetPersonDataTable()
        {
            DataTable table = new DataTable();
            table.TableName = "Persons";
            table.Columns.Add(new DataColumn("FirstName", typeof(string)));
            table.Columns.Add(new DataColumn("SecondName", typeof(string)));
            table.Columns.Add(new DataColumn("Age", typeof(int)));
            table.Columns.Add(new DataColumn("ID", typeof(int)));
            for (int i = 0; i < 50; i++)
            {
                string name = "Adam";
                string secondName = "Smith";
                if (i % 2 == 0)
                {
                    name = "Ben";
                    secondName = "Black";
                }
                table.Rows.Add(name, secondName, 20 + i / 2, i % 10);
            }
            return table;
        }
    }
}

Visual Basic
Imports System.Data
Imports System.Windows.Forms

Namespace Q205299

    Public Partial Class Form1
        Inherits Form

        Public Sub New()
            InitializeComponent()
            Dim dataSet11 As DataSet = New DataSet()
            dataSet11.Tables.Add(GetCustomerDataTable())
            dataSet11.Tables.Add(GetPersonDataTable())
            Dim keyColumn As DataColumn = dataSet11.Tables("Customers").Columns("ID")
            Dim foreignKeyColumn As DataColumn = dataSet11.Tables("Persons").Columns("ID")
            dataSet11.Relations.Add("CustomersPersons", keyColumn, foreignKeyColumn)
            bindingSource1.DataSource = dataSet11
            bindingSource1.DataMember = "Customers"
            bindingSource2.DataSource = bindingSource1
            bindingSource2.DataMember = "CustomersPersons"
            gridControl1.DataSource = bindingSource1
            gridControl2.DataSource = bindingSource2
        End Sub

        Private Function GetCustomerDataTable() As DataTable
            Dim table As DataTable = New DataTable()
            table.TableName = "Customers"
            table.Columns.Add(New DataColumn("Items", GetType(String)))
            table.Columns.Add(New DataColumn("Money", GetType(Double)))
            table.Columns.Add(New DataColumn("ID", GetType(Integer)))
            For i As Integer = 0 To 10 - 1
                table.Rows.Add("Product " & i, 3000 + i * 298.55D, i)
            Next

            Return table
        End Function

        Private Function GetPersonDataTable() As DataTable
            Dim table As DataTable = New DataTable()
            table.TableName = "Persons"
            table.Columns.Add(New DataColumn("FirstName", GetType(String)))
            table.Columns.Add(New DataColumn("SecondName", GetType(String)))
            table.Columns.Add(New DataColumn("Age", GetType(Integer)))
            table.Columns.Add(New DataColumn("ID", GetType(Integer)))
            For i As Integer = 0 To 50 - 1
                Dim name As String = "Adam"
                Dim secondName As String = "Smith"
                If i Mod 2 = 0 Then
                    name = "Ben"
                    secondName = "Black"
                End If

                table.Rows.Add(name, secondName, 20 + i \ 2, i Mod 10)
            Next

            Return table
        End Function
    End Class
End Namespace