View pages
A read-only page for one record
AllowView adds a read-only page for each record, at /stellaradmin/{slug}/view/{id}, and a view action on each row of the grid.
using StellarAdmin.Resources.Displays;
resource.AllowView(view => view.Fields(fields =>
{
fields.Columns(2);
fields.AddSection("Trip", section =>
{
section.Add(booking => booking.Reference);
section.Add(booking => booking.Trip);
section.Add(booking => booking.DepartureDate);
section.Add(booking => booking.Travellers);
section.Add(booking => booking.Total, field =>
field.UseDisplay<NumberDisplay>(number => number.Format = "C"));
});
fields.AddSection("Customer", section =>
{
section.Add(booking => booking.Customer);
section.Add(booking => booking.Customer!.Email, field => field.Title = "Email");
section.Add(booking => booking.Notes, field => field.EmptyText = "No notes");
});
}));You list every field you want: there's no "show everything" option. AllowView() without fields doesn't add a page, and reports a configuration problem.
Every field on a view page is a display field. It can read through navigations, show a computed value and use any display. A related record, like booking.Customer, shows its title.
The page's header has Back, plus Edit and Delete when you've allowed them.
Layout
View pages use the same sections, groups and columns as forms. Sections can also set Orientation for the fields inside them:
using StellarAdmin.UI;
resource.AllowView(view =>
{
view.Title = "Booking";
view.SectionLayout = FormSectionLayout.Split;
view.Fields(fields =>
{
fields.AddSection("Audit", section =>
{
section.Orientation = FieldOrientation.Horizontal;
section.Add(booking => booking.CreatedAt);
});
});
});view.Title defaults to View {singular}.
Showing a different model
To show something other than the entity, give the page its own model and a handler that loads it:
resource.AllowView<BookingSummary, BookingSummaryHandler>(view => view.Fields(fields =>
{
fields.Add(summary => summary.Reference);
fields.Add(summary => summary.Itinerary);
}));The handler implements IResourceViewHandler<BookingSummary>, with a FindAsync(id, cancellationToken) that returns the model, or null if there's no such record.
For a resource with a custom data source, the data source needs IResourceViewHandler<T>. IResourceEditHandler<T> includes it.
Adding to the page
For anything the fields can't show, such as a list of related records or a button, override the page and use its slots.