powerbi-c-sharp-scriptinglisted

# 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 | Environment | C# Version | Notes | |-------------|------------|-------| | **Tabular Editor 2** | Default compiler | Older C# syntax | | **Tabular Editor 3** | Roslyn | Supports up to C# 12 with VS2022 | | **TE2 with Roslyn** | Configurable | Set 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 th