public class Student
    {
        public int Id { get; set; }
        public string Name { get; set; }
        public int Age { get; set; }

    }

<Window x:Class="BindingTest.MainWindow"
        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"
        xmlns:local="clr-namespace:BindingTest"
        mc:Ignorable="d"
        Title="MainWindow" Height="135" Width="300">
    <StackPanel Background="LightBlue">
        <StackPanel.DataContext>
            <local:Student Id="6" Age="29" Name="Tim"/>
        </StackPanel.DataContext>
        <Grid>
            <StackPanel Name="sp1">
                <TextBox Text="{Binding Id}" Margin="5"/>
                <TextBox Text="{Binding Name}" Margin="5"/>
                <TextBox Text="{Binding Age}" Margin="5"/>
            </StackPanel>
        </Grid>
    </StackPanel>
</Window>