我需要在 ThenInclude 中使用 where
var templatesFields = await _context.Sections
.Include(x => x.Subtitles)
.ThenInclude(r => r.Fields.Where(t=>t.TemplatesFields.TemplateID==TemplateID))
.ThenInclude(r => r.OptionSources)
.ThenInclude(r => r.OptionsSourcesDetails)
.ToListAsync();
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