NetQueryBuilder

Give your users the power to query your database with total flexibility — without writing a single line of SQL.

Net Query Builder is a fully extensible, developer-friendly query engine that enables end users to dynamically select fields, build complex filters, and execute database queries through a simple, powerful UI.

🔧 Built for developers

• Define your query logic in C# or using pre-build UI blocks
• Let your users explore data through a clean, configurable interface
• Create advanced data views with full control over fields, filters, joins, and results

🖥️ UI-first experience

• A Blazor-based frontend to let users build SQL queries visually
• “Select” and “Where” blocks, dynamic grouping, operators, smart type detection
• Instantly connected to your backend model via Entity Framework Core

⚙️ Extensible architecture

• Current support: EF Core (backend), Blazor (UI)
• Planned: ASP.NET Razor, WPF, Dapper, NHibernate
• Fully open-source and designed to support additional data sources or UI frameworks

✅ Who is it for?

• .NET developers building internal tools, SaaS platforms, admin dashboards
• Companies needing customizable table/list screens without building one from scratch
• Teams looking for a long-term, maintainable solution instead of one-off hacks