<DataGrid x:Name="Docs" Margin="29,211,25,66" IsReadOnly="False" AutoGenerateColumns="False"
              DataContext="{Binding Source={StaticResource Rutine}}" CanUserReorderColumns="False"
              ItemsSource="{Binding Documents,Mode=TwoWay}">
        <DataGrid.Columns>
            <DataGridTextColumn Header="Document Type"  Binding="{Binding DocumentType}" />
            <DataGridTextColumn Header="Document (Name)" Binding="{Binding DocumentName}" /></DataGrid.Columns></DataGrid>

public IList<CSDoc> Documents
    {
        get
        {
            return _Documents;
        }

        set
        {
            _Documents = value;
            NotifyPropertyChanged("Documents");
        }
    }

public class CSDoc
{
    public string DocumentType{ get; set; }
    public string DocumentName{ get; set; }
}