Two fixes needed together to make the new 3-page เอกสารแนบ ร.1 template
actually render:
1. rmutr_report keeps its own separate copy of the form_1_2 C# model
(Models/RoReport/form_1_2.cs), which never got the New2570-spec
fields (division_name, request_count, overall_reason, signer_*,
approver_*) or the form_1_2_positions child list that rmutr-api's
model already has. FastReport's RegisterData binds by reflecting
the actual runtime object, so any Dictionary column not present on
this local class silently fails to compile ("does not exist in
current context") for every field on it.
2. Nested BusinessObjectDataSource fields must be referenced by their
full dotted path from the report root ([form_1_2.form_1_2_positions.
field]), not the bare child name ([form_1_2_positions.field]) —
confirmed against another working report (academic_position.frx)
in this same codebase that uses the identical nesting pattern
correctly.
Verified locally: report now compiles and reaches PDF export (the
only remaining local failure is a NullReferenceException in libgdiplus
font handling specific to this macOS dev machine, unrelated to the
report itself — production runs Linux where this already works for
every other report using TH Sarabun New).
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0153wBt23EjW125ZsADwWVAs
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