Trouble with Dynamic LINQ Queries - Invalid Cast handling in C# .NET 6
I'm trying to debug After trying multiple solutions online, I still can't figure this out... I'm stuck on something that should probably be simple... I'm working on a C# .NET 6 application where I need to build dynamic LINQ queries based on user input. However, I'm working with an `InvalidCastException` when trying to execute the constructed query. Here's what I've tried so far: I have a list of objects defined as follows: ```csharp public class Product { public int Id { get; set; } public string Name { get; set; } public decimal Price { get; set; } public bool IsActive { get; set; } } ``` I am using the `System.Linq.Dynamic.Core` package to construct my queries dynamically. My current code for building the query looks like this: ```csharp var products = new List<Product> { new Product { Id = 1, Name = "Widget", Price = 19.99m, IsActive = true }, new Product { Id = 2, Name = "Gadget", Price = 29.99m, IsActive = false } }; string userInput = "IsActive = true"; // This can be dynamic based on user input var query = products.AsQueryable().Where(userInput); var result = query.ToList(); ``` When I run this code, I get the following behavior: ``` System.InvalidCastException: Unable to cast object of type 'System.String' to type 'System.Boolean'. ``` The behavior occurs because the query is trying to interpret the condition incorrectly. I've tried changing the type in the string expression, but that doesn't seem to help. Is there a way to make sure that the query interprets the `IsActive` property correctly as a boolean? Are there any nuances in using Dynamic LINQ that I should be aware of? Any help would be appreciated! What's the best practice here? Is there a better approach? This is happening in both development and production on Ubuntu 22.04. Any examples would be super helpful.