using System;

public class Program

{

    public static void Main()

    {

        var vehicleString = "Car";

        var carId = 15;

        // use the fully-qualified name of the type here

        // (assuming Car is in the same assembly as this code, 

        //  if not add a ", TargetAssemblyName" to the end of the string)

        var vehicleType = Type.GetType(vehicleString);

        Console.WriteLine("Type from string: " + vehicleType);

​

        typeof(MyFactory).GetMethod("Register")

            .MakeGenericMethod(vehicleType)

            .Invoke(null, null);

        typeof(MyFactory).GetMethod("RegisterWithParameter")

            .MakeGenericMethod(vehicleType)

            .Invoke(null, new object[] {carId});

    }

}

static class MyFactory

{

    public static void Register<T>()

    {

        Console.WriteLine($"Generic type parameter: {typeof(T)}");

    }

    public static void RegisterWithParameter<T>(int carId)

    {

        Console.WriteLine($"Generic type parameter: {typeof(T)} || Method parameter: carId={carId}");

    }

}

​

class Car

{

​

}