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Devexpress Xaf Filtering

Category: Engineering  ·  Sub-category: backend  ·  Last updated:
Filtering data in XAF applications. Covers CriteriaOperator syntax, CriteriaOperator.FromLambda, IObjectSpace filtering methods (GetObjects, GetObjectsQuery, FindObject, GetObjectByKey), CollectionSource.Criteria for List View filtering, ListViewFilterAttribute, SetFilter Action, FullTextSearch Action with FilterController, DataSourcePropertyAttribute / DataSourceCriteriaAttribute for lookup filtering, ICustomFunctionOperator registration, XAF-specific function operators (CurrentUserId, IsCurrentUserInRole, IsNewObject), and grid-level filtering (Auto Filter Row, Filter Builder, Find Panel). Use when someone asks about filtering, querying, searching, or criteria in XAF. Covers EF Core and XPO (load the devexpress-xaf-filtering-xpo sub-skill for XPO-specific patterns).
Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

This skill covers all data filtering techniques in XAF applications. EF Core is the recommended ORM; all examples default to EF Core patterns unless stated otherwise. XPO is also supported.

What this skill does

Devexpress Xaf Filtering is a community-contributed Claude Code skill in the backend sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/devexpress-xaf-filtering/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when someone asks about filtering, querying, searching, or criteria in XAF. Covers EF Core and XPO (load the devexpress-xaf-filtering-xpo sub-skill for XPO-specific patterns).

Who uses this skill

The Devexpress Xaf Filtering Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 163,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/devexpress-xaf-filtering
curl -L https://claudskills.com/skills/devexpress-xaf-filtering/SKILL.md \
  -o ~/.claude/skills/devexpress-xaf-filtering/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/devexpress-xaf-filtering/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/devexpress-xaf-filtering/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\devexpress-xaf-filtering\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Telegram

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Devexpress Xaf Filtering Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/devexpress-xaf-filtering/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Devexpress Xaf Filtering skill do?
Filtering data in XAF applications. Covers CriteriaOperator syntax, CriteriaOperator.FromLambda, IObjectSpace filtering methods (GetObjects, GetObjectsQuery, FindObject, GetObjectByKey), CollectionSource.Criteria for List View filtering, ListViewFilterAttribute, SetFilter Action, FullTextSearch Action with FilterController, DataSourcePropertyAttribute / DataSourceCriteriaAttribute for lookup filtering, ICustomFunctionOperator registration, XAF-specific function operators (CurrentUserId, IsCurrentUserInRole, IsNewObject), and grid-level filtering (Auto Filter Row, Filter Builder, Find Panel). Use when someone asks about filtering, querying, searching, or criteria in XAF. Covers EF Core and XPO (load the devexpress-xaf-filtering-xpo sub-skill for XPO-specific patterns).
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Devexpress Xaf Filtering skill?
Use Devexpress Xaf Filtering when your Claude Code task falls under the Engineering category — specifically in the backend area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Devexpress Xaf Filtering" or describe the task and let Claude pick). Browse related skills at /category/engineering/.
What is a Claude Code skill and how does the Devexpress Xaf Filtering skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Devexpress Xaf Filtering is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
DevExpress. (2026). Devexpress Xaf Filtering [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/devexpress-xaf-filtering/
BibTeX
@misc{devexpress-xaf-filtering-2026,
  author    = {DevExpress},
  title     = {Devexpress Xaf Filtering [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/devexpress-xaf-filtering/}
}

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Security scan

Grade A · scanned 2026-07-28 — free static scan against the OWASP Agentic Skills Top 10.

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