WPF TextBox Validation C#

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C#

WPF

validation

data-binding

I have 3 TextBoxes (Id,Name and Salary)Id and salary should be integers and Name is only charecters.I need validations for my TextBox as i enter wrong charecters or integers it should show error and also can i do it this in only xaml without codebehind ? I'm new to Wpf and validation please help me with the required code

This is Xaml code

<TextBox Name="tb1" HorizontalAlignment="Left" Height="20" Margin="60,10,0,0" TextWrapping="NoWrap" Text="{Binding SelectedItem.Id,ElementName=dgsample}" VerticalAlignment="Top" Width="100" />

    <TextBox Name="tb2" HorizontalAlignment="Left" Height="20" Margin="60,60,0,0" TextWrapping="NoWrap" Text="{Binding SelectedItem.Name, ElementName=dgsample}" VerticalAlignment="Top" Width="100"/>
    <TextBox Name="tb3" HorizontalAlignment="Left" Height="20" Margin="60,110,0,0" TextWrapping="NoWrap" Text="{Binding SelectedItem.Salary, ElementName=dgsample}" VerticalAlignment="Top" Width="100"/>