public event PivotCellEventHandler CellDoubleClick

Public Event CellDoubleClick As PivotCellEventHandler

using DevExpress.XtraEditors;
using DevExpress.XtraGrid;
using DevExpress.XtraGrid.Views.Grid;
using DevExpress.XtraPivotGrid;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;

namespace DrillDownDataSourceExample
{
    public partial class Form1 : DevExpress.XtraEditors.XtraForm
    {
        bool serverMode = false;
        public Form1()
        {
            InitializeComponent();
            pivotGridControl1.CellDoubleClick += PivotGridControl1_CellDoubleClick;
            // This line of code is generated by Data Source Configuration Wizard
            linqServerModeSource1.QueryableSource = new DrillDownDataSourceExample.DataClasses1DataContext().Invoices;
        }

        private void PivotGridControl1_CellDoubleClick(object sender, DevExpress.XtraPivotGrid.PivotCellEventArgs e)
        {
            PivotDrillDownDataSource drillDownDataSource;
            if (serverMode)
               drillDownDataSource = e.CreateDrillDownDataSource(25, new List<string> { "ShipName" });
            else
                drillDownDataSource = e.CreateDrillDownDataSource(25);
            XtraForm dataform = CreateDrillDownForm(drillDownDataSource);
            dataform.ShowDialog();
            dataform.Dispose();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            // TODO: This line of code loads data into the 'nWDataSet.Invoices' table. You can move, or remove it, as needed.
            this.invoicesTableAdapter.Fill(this.nWDataSet.Invoices);
            SetPivotGridDataSource();
        }

        private XtraForm CreateDrillDownForm(PivotDrillDownDataSource dataSource) {
            XtraForm form = new XtraForm();
            GridControl grid = new GridControl();
            grid.Parent = form;
            grid.Dock = DockStyle.Fill;
            grid.DataSource = dataSource;
            grid.DataSource =
            form.Bounds = new Rectangle(100, 100, 800, 400);
            GridView gridView1 = new GridView();
            grid.MainView = gridView1;
            gridView1.Columns["OrderDate"].DisplayFormat.FormatType = DevExpress.Utils.FormatType.DateTime;
            form.Text = string.Format("Underlying Data - {0} Records", dataSource.RowCount);
            return form;
        }

        private void toggleSwitch1_Toggled(object sender, EventArgs e)
        {
            serverMode = ((ToggleSwitch)sender).IsOn;
            SetPivotGridDataSource();
        }

        private void SetPivotGridDataSource()
        {
            if (serverMode)
                pivotGridControl1.DataSource = linqServerModeSource1;
            else
                pivotGridControl1.DataSource = invoicesBindingSource;
        }

        private void btnGrandTotal_Click(object sender, EventArgs e)
        {
            PivotDrillDownDataSource drillDownDataSource = pivotGridControl1.CreateDrillDownDataSource();
            Form dataform = CreateDrillDownForm(drillDownDataSource);
            dataform.ShowDialog();
            dataform.Dispose();
        }
    }
}

Imports DevExpress.XtraEditors
Imports DevExpress.XtraGrid
Imports DevExpress.XtraGrid.Views.Grid
Imports DevExpress.XtraPivotGrid
Imports System
Imports System.Collections.Generic
Imports System.Drawing
Imports System.Windows.Forms

Namespace DrillDownDataSourceExample
   Partial Public Class Form1
      Inherits DevExpress.XtraEditors.XtraForm

      Private serverMode As Boolean = False
      Public Sub New()
         InitializeComponent()
         AddHandler pivotGridControl1.CellDoubleClick, AddressOf PivotGridControl1_CellDoubleClick
         ' This line of code is generated by Data Source Configuration Wizard
         linqServerModeSource1.QueryableSource = (New DrillDownDataSourceExample.DataClasses1DataContext()).Invoices
      End Sub

      Private Sub PivotGridControl1_CellDoubleClick(ByVal sender As Object, ByVal e As DevExpress.XtraPivotGrid.PivotCellEventArgs)
         Dim drillDownDataSource As PivotDrillDownDataSource
         If serverMode Then
            drillDownDataSource = e.CreateDrillDownDataSource(25, New List(Of String) From {"ShipName"})
         Else
            drillDownDataSource = e.CreateDrillDownDataSource(25)
         End If
         Dim dataform As XtraForm = CreateDrillDownForm(drillDownDataSource)
         dataform.ShowDialog()
         dataform.Dispose()
      End Sub

      Private Sub Form1_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
         ' TODO: This line of code loads data into the 'nWDataSet.Invoices' table. You can move, or remove it, as needed.
         Me.invoicesTableAdapter.Fill(Me.nWDataSet.Invoices)
         SetPivotGridDataSource()
      End Sub

      Private Function CreateDrillDownForm(ByVal dataSource As PivotDrillDownDataSource) As XtraForm
         Dim form As New XtraForm()
         Dim grid As New GridControl()
         grid.Parent = form
         grid.Dock = DockStyle.Fill
         grid.DataSource = dataSource
         form.Bounds = New Rectangle(100, 100, 800, 400)
         grid.DataSource = form.Bounds
         Dim gridView1 As New GridView()
         grid.MainView = gridView1
         gridView1.Columns("OrderDate").DisplayFormat.FormatType = DevExpress.Utils.FormatType.DateTime
         form.Text = String.Format("Underlying Data - {0} Records", dataSource.RowCount)
         Return form
      End Function

      Private Sub toggleSwitch1_Toggled(ByVal sender As Object, ByVal e As EventArgs) Handles toggleSwitch1.Toggled
         serverMode = DirectCast(sender, ToggleSwitch).IsOn
         SetPivotGridDataSource()
      End Sub

      Private Sub SetPivotGridDataSource()
         If serverMode Then
            pivotGridControl1.DataSource = linqServerModeSource1
         Else
            pivotGridControl1.DataSource = invoicesBindingSource
         End If
      End Sub

      Private Sub btnGrandTotal_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnGrandTotal.Click
         Dim drillDownDataSource As PivotDrillDownDataSource = pivotGridControl1.CreateDrillDownDataSource()
         Dim dataform As Form = CreateDrillDownForm(drillDownDataSource)
         dataform.ShowDialog()
         dataform.Dispose()
      End Sub
   End Class
End Namespace

InitializeComponent();
pivotGridControl1.CellDoubleClick += PivotGridControl1_CellDoubleClick;
// This line of code is generated by Data Source Configuration Wizard

InitializeComponent()
AddHandler pivotGridControl1.CellDoubleClick, AddressOf PivotGridControl1_CellDoubleClick
' This line of code is generated by Data Source Configuration Wizard