C# Eval - compile-execute - Example 1 | C# Online Compiler

C# Eval - compile-execute - Example 1 by ZZZ Projects

// @nuget: Z.Expressions.Eval

using System;
using Z.Expressions;
					
public class Program
{
	public static void Main()
	{

		var context = new EvalContext();
		// ... context options ...
		
		var orderItem = new OrderItem();
		
		orderItem.Price = 5.25;
		orderItem.Quantity = 4;
		
		string code = "Price * Quantity";
		var price = context.Execute<decimal>(code, orderItem);
				
		Console.WriteLine(price);
	}
	
	public class OrderItem 
	{
		public double Price {get;set;}	
		public int Quantity {get;set;}	
	}
}

​x
 
// @nuget: Z.Expressions.Eval
​
using System;
using Z.Expressions;
                    
public class Program
{
    public static void Main()
    {
​
        var context = new EvalContext();
        // ... context options ...
        
        var orderItem = new OrderItem();
        
        orderItem.Price = 5.25;
        orderItem.Quantity = 4;
        
        string code = "Price * Quantity";
        var price = context.Execute<decimal>(code, orderItem);
                
        Console.WriteLine(price);
    }
    
    public class OrderItem 
    {
        public double Price {get;set;}  
        public int Quantity {get;set;}  
    }
}

Environment version: .NET 9.0.0 (9.0.0)
Newtonsoft.Json version: Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed

Failed with unhandled exception:
System.ArgumentException: Accessed JArray values with invalid key value: "Response". Int32 array index expected.
   at Newtonsoft.Json.Linq.JArray.get_Item(Object key)
   at System.Dynamic.UpdateDelegates.UpdateAndExecute2[T0,T1,TRet](CallSite site, T0 arg0, T1 arg1)
   at TestClass.Test()
   at Program.Main()
Unhandled exception. System.ArgumentException: Accessed JArray values with invalid key value: "Response". Int32 array index expected.
   at Newtonsoft.Json.Linq.JArray.get_Item(Object key)
   at System.Dynamic.UpdateDelegates.UpdateAndExecute2[T0,T1,TRet](CallSite site, T0 arg0, T1 arg1)
   at TestClass.Test()
   at Program.Main()
Command terminated by signal 6

Last Run:	12:06:51 am
Compile:	0.014s
Execute:	0.27s
Memory:	19.47Mb
CPU:	0.284s

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