[Solved] C# Argument 1: cannot convert from ‘void’ to ‘bool’ [closed]

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Remember: void means your method doesn’t return a value, so it cannot be assigned to other variable or passed to method as an argument like WriteLine method:

this is what you’re looking for:

class Program
{
    static void Main(string[] args)
    {
        Console.WriteLine("what is num?");
        int num = int.Parse(Console.ReadLine());
        downnums(num);
    }

    public static void downnums(int num)
    {
        if (num == 0)
        Console.WriteLine("that all");
        else
        {
            Console.WriteLine(num);
            downnums(num-1);
        }

       }

    }

solved C# Argument 1: cannot convert from ‘void’ to ‘bool’ [closed]