DynamicExpresso
dynamic-linq-query-builder
| DynamicExpresso | dynamic-linq-query-builder | |
|---|---|---|
| 9 | 2 | |
| 1,843 | 247 | |
| 0.8% | 1.2% | |
| 4.6 | 6.7 | |
| 22 days ago | 8 months ago | |
| C# | C# | |
| MIT License | Apache License 2.0 |
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DynamicExpresso
- Is there any easy way to call a variable through a string?
- Computing a formula in a string
- Dynamically building Linq queries
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How to call a variable from a string, if that make sense lol
Checkout https://github.com/dynamicexpresso/DynamicExpresso
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Made a small project for compiling c# at runtime and then using the resulting dll(at runtime)
Have you looked at something like DynamicExpresso or Roslyn Scripting?
- Long lasting solution for dynamic Expression execution
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A question about C#!!
I have used DynamicExpresso for that, works great and is easy to use.
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Converting strings to integers
And if you don't want to write it yourself, you use a library. I was always quite happy with Expresso, but as it is not JUST a parser for math expressions, you might need to look into security of executing unknown user input.
dynamic-linq-query-builder
- Dynamically building Linq queries
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Build dynamic Linq filters (aka. where() predicates)
I ran into this use case a while ago, and I saw a similar inplementation under the jquery UI query builder plugin. https://querybuilder.js.org/. There's an inplementation for .net on the site. https://github.com/castle-it/dynamic-linq-query-builder. Fast foward to today, I no longer use this approach and switched to OData. The backend expose a queryable dataset. Frontend just need to build the querystring to hit the backend Odata api endpoint. I think this approach is much cleaner.
What are some alternatives?
Flee - Fast Lightweight Expression Evaluator
LINQKit - LINQKit is a free set of extensions for LINQ to SQL and Entity Framework power users.
ncalc - Mathematical Expressions Evaluator for .NET
Sieve - ⚗️ Clean & extensible Sorting, Filtering, and Pagination for ASP.NET Core
RulesEngine - A Json based Rules Engine with extensive Dynamic expression support
System.Linq.Dynamic.Core - The .NET Standard / .NET Core version from the System Linq Dynamic functionality.
RulesEngineEditor - Editor for Microsoft RulesEngine - Blazor UI library intended for integration in Web or Desktop
Remote.Linq - Simply LINQ your remote resources...
ILSpy - .NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!
NSpecifications - Specification Pattern for .Net
NReco LambdaParser - Runtime parser for string expressions (formulas, method calls). Builds dynamic LINQ expression tree and compiles it to lambda delegate.