<UserControl.DataContext>
    <vm:DynamicFormViewModel/>
</UserControl.DataContext>

<UserControl.Content>
    <view:DynamicFormView x:Name="CustomerEntry"/>
</UserControl.Content>

View view = new View();
view.Children.Add(...)

<DataTemplate DataType="{x:Type DateTime}">
  <DatePicker Value="{Binding}"/>
</DataTemplate>
<DataTemplate DataType="{x:Type String}">
  <TextBox Text="{Binding}"/>
</DataTemplate>

class Customer
{
   public Email Email{get;set;}
   public DateTime DateApproved{get;set;}
   public URI Url{get;set;}
}

public class Email
{
   public string Type{get;set;}
   public string Value{get;set;}
}

ObservableCollection<ColumnDef> columns = new ObservableCollection<ColumnDef>();

// Add columns from DB
columns.Add(new StringColumnDef{Object=..., Field=..., Label=..., Value=...});
columns.Add(new DateColumnDef{Object=..., Field=..., Label=..., Value=...});

items.ItemsSource = columns; // items is an ItemsControl