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copied!<p>I have found a solution that doesn't require you to give a name to the base control. When I defined a name for the base UserControl it was creating issues for me when I was adding multiple instances to my Grid, since they were defined as the same name.</p> <p>This is a combination of my first answer and Doug's answer. Note the UserControl lacks the name property and the TextBox has no Binding declared in the XAML</p> <p><strong>XAML</strong></p> <pre><code><UserControl x:Class="SilverlightApplication1.XText" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d" d:DesignHeight="300" d:DesignWidth="400"> <Grid x:Name="LayoutRoot" Background="White"> <TextBox x:Name="MyText"/> </Grid> </UserControl> </code></pre> <p><strong>CodeBehind</strong></p> <pre><code>public partial class XText { public XText() { InitializeComponent(); MyText.SetBinding(TextBox.TextProperty, new Binding() { Source = this, Path = new PropertyPath("Value"), Mode = BindingMode.TwoWay }); } public static DependencyProperty ValueProperty = DependencyProperty.Register( "Value", typeof(string), typeof(XText), new PropertyMetadata(null) ); public string Value { get { return ((string)(GetValue(ValueProperty))); } set { SetValue(ValueProperty, value); } } ... } </code></pre> <p>When you are ready to use it do the following</p> <pre><code><uc:XText Value="{Binding Path=MyObject, Mode=TwoWay}" /> </code></pre>

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