WPF

private void ModifyButton_Click(object sender, RoutedEventArgs e)
        {
            Window1 win2 = new Window1();
            win2.ShowDialog();
        }

public class ImageButton : Button
{
    public enum Direction
    { 
        Horizontal,
        Verticle
    }

    StackPanel panel = null;
    Image _Image = null;
    TextBlock _TextBlock = null;

    private Direction _Layout = Direction.Horizontal;
    public Direction Layout
    {
        get { return _Layout; }
        set
        {
            if (_Layout != value)
            {
                _Layout = value;

                panel.Orientation = _Layout == Direction.Horizontal ? System.Windows.Controls.Orientation.Horizontal : System.Windows.Controls.Orientation.Vertical;
            }
        }
    }

    public string Text
    {
        get
        {
            if (_TextBlock != null)
                return _TextBlock.Text;
            else
                return String.Empty;
        }
        set
        {
            if (_TextBlock != null)
                _TextBlock.Text = value;
        }
    }

    public ImageSource Image
    {
        get
        {
            if (_Image != null)
                return _Image.Source;
            else
                return null;
        }
        set
        {
            if (_Image != null)
                _Image.Source = value;
        }
    }

    public double ImageWidth
    {
        get
        {
            if (_Image != null)
                return _Image.Width;
            else
                return double.NaN;
        }
        set
        {
            if (_Image != null)
                _Image.Width = value;
        }
    }

    public double ImageHeight
    {
        get
        {
            if (_Image != null)
                return _Image.Height;
            else
                return double.NaN;
        }
        set
        {
            if (_Image != null)
                _Image.Height = value;
        }
    }

    public ImageButton()
    {
        _Image = new Image();
        _TextBlock = new TextBlock();

        panel = new StackPanel();
        panel.Orientation = System.Windows.Controls.Orientation.Horizontal;
        panel.Children.Add(_Image);
        panel.Children.Add(_TextBlock);

        this.Content = panel;
    }

}

<controls:ImageButton Grid.Row="1"
                        Grid.Column="0"
                        Image="Media/Images/customer_16.png"
                        ImageHeight="16"
                        ImageWidth="16"
                        Text="Test"
                        Layout="Verticle"
                        Height="55"
                        Width="100"
                        Command="{Binding OpenCustomerSelectionCommand}"/>

<Window x:Class="bild.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:sys="clr-namespace:bild"
        Title="MainWindow" Height="519" Width="525">
    <Window.Resources>
        <sys:ViewModel x:Key="DataSource"/>        
    </Window.Resources>
 
        <Grid>
        <ListBox ItemsSource="{Binding Source={StaticResource DataSource}, Path=Persons}" 
                 DisplayMemberPath="Name"                 
            HorizontalAlignment="Left" Margin="49,21,0,201" Name="listBox1" Width="425" />
        <Grid DataContext="{Binding Source={StaticResource DataSource}}" Height="149" HorizontalAlignment="Left" Margin="49,134,0,0" Name="grid1" VerticalAlignment="Top" Width="425">
            <DataGrid 
                ItemsSource="{Binding Source={StaticResource DataSource}, Path=Persons}" 
                AutoGenerateColumns="False" Height="143" HorizontalAlignment="Left" Margin="36,0,0,0" Name="dataGrid1" VerticalAlignment="Top" Width="383" >
                <DataGrid.Columns>
                    <DataGridTextColumn Binding="{Binding Age}"  Header="Age" ></DataGridTextColumn>
                </DataGrid.Columns>
            </DataGrid>
        </Grid>
        <Button Content="Button" Height="23" HorizontalAlignment="Left" Margin="296,290,0,0" Name="button1" VerticalAlignment="Top" Width="75" Click="button1_Click" />
    </Grid>
</Window>

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
 
namespace bild
{   
    public partial class MainWindow : Window
    {
        
        public MainWindow()
        {
            InitializeComponent();
        }
 
        private void button1_Click(object sender, RoutedEventArgs e)
        {
            ViewModel r = new ViewModel();
            r.ad();
            dataGrid1.ItemsSource = r.Persons;
        }
    }
    public class ViewModel
    {
        public ViewModel()
        {
            this.Persons = new ObservableCollection<Person>();
            this.Persons.Add(new Person("Ivan", 23));
            this.Persons.Add(new Person("Stefan", 34));
            this.Persons.Add(new Person("Maria", 16));
            this.Persons.Add(new Person("Michael", 78));
            
        }
        public void ad()
        {
           this.Persons = new ObservableCollection<Person>();
            this.Persons.Add(new Person("Maria", 16));
            this.Persons.Add(new Person("Michael", 78));
          
        }
 
        public ObservableCollection<Person> Persons
        {
            get;
            set;
        }
    }
    public class Person
    {
        public Person(string name, int age)
        {
            this.Name = name;
            this.Age = age;
        }
        public string Name
        {
            get;
            set;
        }
        public int Age
        {
            get;
            set;
        }
    }
}