QueryBuilder Tool for .NET

Overview

QueryBuilder is a lightweight utility for dynamically composing LINQ queries in Entity Framework Core. It simplifies filtering, sorting, and pagination logic.

Example

var query = new QueryBuilder(db.Users) .Where("Age", ">", 18) .OrderBy("LastName") .Skip(10) .Take(20) .Build() .ToList(); //Returns users over 18, sorted by last name, paginated

Motivation

Modern APIs often require dynamic filtering, sorting, and pagination. QueryBuilder standardizes this logic, reducing boilerplate and improving consistency across endpoints.

Goals

• Provide a fluent API for dynamic query composition
• Support Where,OrderBy,Skip, and Take out of the box
• Allow JSON-based query definitions for frontend integration
• Keep the tool lightweight , dependency-free , and EF-Core friendly

Non-Goals

• No support for complex joins or groupings , frontend integration , orderBy dynamic properties , advanced filters with nested properties in the initial release

Contribution Guidelines

This is a small , evolving project. If you'd like to contribute:

• Feel free to fork the repo and submit a pull request with clear description
• No formal release or branching rules yet - Please keep the 'master' branch stable
• If you are adding new features, consider updating the README with example
• For questions or ideas , feel free to open an issue.

Coding Standards

• Use .NET 8.0/C# 12