public class XtraTabPage :
    XtraPanel,
    IXtraTabPageExt,
    IXtraTabPage,
    IToolTipControlClient,
    IAnimatedItem,
    ISupportXtraAnimation,
    ISupportAdornerElementEx,
    ISupportAdornerElement,
    IUpdateAdornerUI,
    ISupportDXSkinColorsEx,
    ISupportDXSkinColors

Public Class XtraTabPage
    Inherits XtraPanel
    Implements IXtraTabPageExt,
               IXtraTabPage,
               IToolTipControlClient,
               IAnimatedItem,
               ISupportXtraAnimation,
               ISupportAdornerElementEx,
               ISupportAdornerElement,
               IUpdateAdornerUI,
               ISupportDXSkinColorsEx,
               ISupportDXSkinColors

using System.ComponentModel;
using System.Windows.Forms;
using DevExpress.XtraEditors;
using DevExpress.XtraTab;

namespace DXTabControlDemo {
    public partial class Form1 : XtraForm {
        public Form1() {
            InitializeComponent();
            // Create and configure BindingSource.
            BindingSource bindingSource = new BindingSource();
            bindingSource.DataSource = new PersonViewModel { Id = 1, Name = "John Doe", Email = "john@example.com" };

            // Create XtraTabControl.
            XtraTabControl tabControl = new XtraTabControl { Dock = DockStyle.Fill };

            // Create the first tab page.
            XtraTabPage tabPage1 = new XtraTabPage { Text = "General" };
            TextEdit textEditId = new TextEdit { Dock = DockStyle.Top };
            TextEdit textEditName = new TextEdit { Dock = DockStyle.Top };
            textEditId.DataBindings.Add("EditValue", bindingSource, nameof(PersonViewModel.Id));
            textEditName.DataBindings.Add("EditValue", bindingSource, nameof(PersonViewModel.Name));
            tabPage1.Controls.Add(textEditName);
            tabPage1.Controls.Add(textEditId);

            // Create the second tab page.
            XtraTabPage tabPage2 = new XtraTabPage { Text = "Contact" };
            TextEdit textEditEmail = new TextEdit { Dock = DockStyle.Top };
            textEditEmail.DataBindings.Add("EditValue", bindingSource, nameof(PersonViewModel.Email));
            tabPage2.Controls.Add(textEditEmail);

            // Add tab pages to the Tab control
            tabControl.TabPages.Add(tabPage1);
            tabControl.TabPages.Add(tabPage2);

            // Add the Tab control to the Form.
            Controls.Add(tabControl);
        }
    }
    // ViewModel
    public class PersonViewModel : INotifyPropertyChanged {
        int id;
        string name;
        string email;

        public int Id {
            get => id;
            set { id = value; OnPropertyChanged(nameof(Id)); }
        }

        public string Name {
            get => name;
            set { name = value; OnPropertyChanged(nameof(Name)); }
        }

        public string Email {
            get => email;
            set { email = value; OnPropertyChanged(nameof(Email)); }
        }

        public event PropertyChangedEventHandler PropertyChanged;
        void OnPropertyChanged(string propertyName) =>
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
    }
}

Imports System.ComponentModel
Imports System.Windows.Forms
Imports DevExpress.XtraEditors
Imports DevExpress.XtraTab

Namespace DXTabControlDemo
    Partial Public Class Form1
        Inherits XtraForm

        Public Sub New()
            InitializeComponent()

            ' Create and configure BindingSource.
            Dim bindingSource As New BindingSource()
            bindingSource.DataSource = New PersonViewModel With {
                .Id = 1,
                .Name = "John Doe",
                .Email = "john@example.com"
            }

            ' Create XtraTabControl.
            Dim tabControl As New XtraTabControl() With {
                .Dock = DockStyle.Fill
            }

            ' Create the first tab page.
            Dim tabPage1 As New XtraTabPage() With {
                .Text = "General"
            }
            Dim textEditId As New TextEdit() With {
                .Dock = DockStyle.Top
            }
            Dim textEditName As New TextEdit() With {
                .Dock = DockStyle.Top
            }
            textEditId.DataBindings.Add("EditValue", bindingSource, NameOf(PersonViewModel.Id))
            textEditName.DataBindings.Add("EditValue", bindingSource, NameOf(PersonViewModel.Name))
            tabPage1.Controls.Add(textEditName)
            tabPage1.Controls.Add(textEditId)

            ' Create the second tab page.
            Dim tabPage2 As New XtraTabPage() With {
                .Text = "Contact"
            }
            Dim textEditEmail As New TextEdit() With {
                .Dock = DockStyle.Top
            }
            textEditEmail.DataBindings.Add("EditValue", bindingSource, NameOf(PersonViewModel.Email))
            tabPage2.Controls.Add(textEditEmail)

            ' Add tab pages to the Tab control
            tabControl.TabPages.Add(tabPage1)
            tabControl.TabPages.Add(tabPage2)

            ' Add the Tab control to the Form.
            Controls.Add(tabControl)
        End Sub
    End Class

    ' ViewModel
    Public Class PersonViewModel
        Implements INotifyPropertyChanged

        Private _id As Integer
        Private _name As String
        Private _email As String

        Public Property Id As Integer
            Get
                Return _id
            End Get
            Set(value As Integer)
                _id = value
                OnPropertyChanged(NameOf(Id))
            End Set
        End Property

        Public Property Name As String
            Get
                Return _name
            End Get
            Set(value As String)
                _name = value
                OnPropertyChanged(NameOf(Name))
            End Set
        End Property

        Public Property Email As String
            Get
                Return _email
            End Get
            Set(value As String)
                _email = value
                OnPropertyChanged(NameOf(Email))
            End Set
        End Property

        Public Event PropertyChanged As PropertyChangedEventHandler _
            Implements INotifyPropertyChanged.PropertyChanged

        Private Sub OnPropertyChanged(propertyName As String)
            RaiseEvent PropertyChanged(Me, New PropertyChangedEventArgs(propertyName))
        End Sub
    End Class
End Namespace