Skills

C Sharp Scripting

Writing and executing C# scripts and macros against Power BI semantic models using...

Install

npx skills add data-goblin/power-bi-agentic-development --skill c-sharp-scripting -g -a claude-code -y
Category
Writing
Updated
5d ago
License
GPL-3.0
Context cost
Mediumabout 3,000 tokens
Runs scripts
Yes, review before use

What it does

Writing and executing C# scripts and macros against Power BI semantic models using Tabular Editor 2/3. Automatically invoke when the user mentions "C# script", "Tabular Editor script", "TOM scripting", "MacroActions.json", "XMLA", or asks to "automate model changes", "bulk update measures", "create calculation groups", "write a macro", "format DAX expressions", "manage model metadata".

C# Scripting for Tabular Editor

Expert guidance for writing and executing C# scripts to manipulate Power BI semantic model metadata using Tabular Editor 2/3 CLI or the Tabular Editor IDE.

When to Use This Skill

Activate automatically when tasks involve:

  • Writing C# scripts for Tabular Editor
  • Bulk operations on model objects (measures, columns, tables)
  • Creating or modifying calculation groups
  • Managing model security (roles, RLS, OLS)
  • Formatting DAX expressions
  • Automating repetitive model changes
  • Querying model metadata via TOM API
  • Building interactive scripts with user input dialogs

Critical

  • Every statement must end with ; (semicolon required by C#)
  • Use double quotes " for strings and escape with \ when needed
  • Use forward slashes / in DisplayFolder paths (auto-converted to \)
  • Always add Info() statements for debugging - script stops at error point
  • Test scripts on non-production models first
  • Changes are undoable with Ctrl+Z in the Tabular Editor UI

C# Version Support

EnvironmentC# VersionNotes
Tabular Editor 2Default compilerOlder C# syntax
Tabular Editor 3RoslynSupports up to C# 12 with VS2022
TE2 with RoslynConfigurableSet in File > Preferences > General

To use newer C# features in TE2, configure Roslyn compiler path in preferences.

Default Imports and Assemblies

Auto-Imported Namespaces

Scripts automatically have these using statements applied:

using System;
using System.Linq;
using System.Collections.Generic;
using Newtonsoft.Json;
using TabularEditor.TOMWrapper;
using TabularEditor.TOMWrapper.Utils;
using TabularEditor.UI;

Pre-Loaded Assemblies

These .NET assemblies are loaded by default:

Read the whole SKILL.md on GitHub

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