<UserControl 
    xmlns:data="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Data" 
    x:Class="SilverlightApplication1.Page"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:my="clr-namespace:DevExpress.Windows.Controls;assembly=DevExpress.AgDataGrid.v8.2"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Width="400" Height="300">
    <Grid x:Name="LayoutRoot" Background="White">
        <Grid.RowDefinitions>
            <RowDefinition Height="0.5*"/>
            <RowDefinition Height="0.5*"/>
        </Grid.RowDefinitions>
        <my:AgDataGrid x:Name="agDataGrid" Grid.RowSpan="1" />
        <data:DataGrid x:Name="standardDataGrid" Grid.RowSpan="1" Grid.Row="1" />
    </Grid>
</UserControl>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using DevExpress.Windows.Controls;
using System.Text;
using System.Windows.Markup;
 
namespace SilverlightApplication1
{
    public partial class Page : UserControl
    {
        public Page()
        {
            InitializeComponent();
 
            // get data
            var employees = this.GetEmployees();
 
            // bind it to both grids
            this.standardDataGrid.ItemsSource = employees;
            this.standardDataGrid.AutoGenerateColumns = false;
            this.agDataGrid.DataSource = employees;
            this.agDataGrid.AutoGenerateColumns = false;
 
            // create a template column for each grid
            var standardColumn = new DataGridTemplateColumn();
            var agColumn = new AgDataGridColumn();
 
            // Create a DataTemplate
            var sb = new StringBuilder();
            sb.Append("<DataTemplate ");
            sb.Append("xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation' >");
            sb.Append("<TextBox Text='{Binding Name}' />"); // Change to "{Binding RowValue.Name}" for AgDataGrid! 
            sb.Append("</DataTemplate>");
            var template = (DataTemplate)XamlReader.Load(sb.ToString());
 
            // Add it to the standard and ag columns we just created.
            standardColumn.CellTemplate = template;
            agColumn.CellDisplayTemplate = template;
 
            // Add the columns to thier respective grids.
            this.standardDataGrid.Columns.Add(standardColumn);
            this.agDataGrid.Columns.Add(agColumn);
        }
 
        private List<Employee> GetEmployees()
        {
            var employees = new List<Employee>();
            employees.Add(new Employee() 
                { ID = 2, Name = "John Doe", DOB = DateTime.Now });
            employees.Add(new Employee() 
                { ID = 3, Name = "Jane Doe", DOB = DateTime.Now });
            return employees;
        }
    }
 
    public class Employee
    {
        public int ID { get; set; }
        public string Name { get; set; }
        public DateTime DOB { get; set; }
    }
}