using System;

public class Program

{       

    public static void Main()

    {   

        string value = "True";

        object moValue = null;

        switch(true)

        {

            default:                

                switch(value)

                {

                    case null:

                        throw new Exception("Invalid Value");                       

                    case "True" : case "False":

                        moValue = value;

                        break;                          

                    default:

                        if (value.GetType().Name == "Expression")

                        {

                            // moValue.DataTypeCode = "BOOLEAN"

                            moValue = value;                            

                        } else { throw new Exception("Invalid Value"); }

                        break;

                }   

                break;          

        }

        Console.WriteLine(moValue);

    }

}