varchar(max) - show numbers, C#

varchar(max) - show numbers

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static string varchar(int max){
            string result = "";
            Random rnd = new Random();
            for(int i=0; i<max; i++){
                int number = rnd.Next(1, 32767);
                result += (char)number;
                Console.WriteLine("i: "+(int)i+", number = "+(int)number+", char: "+(char)number);
            }
            return result;
        }
        public static void Main(string[] args)
        {
            //Your code goes here
            int max = 25;
            Console.WriteLine("Numbers to chars:");
            string varchar_string = (string)varchar(max);
            Console.WriteLine("\n max: "+(int)max+", varchar(max): "+(string)varchar_string+"\n");
            
            Console.WriteLine("Numbers from chars:");
            for(int i = 0; i<varchar_string.Length; i++ ){
                Console.WriteLine("i: "+(int)i+", char: "+(char)varchar_string[i]+", number = "+(int)varchar_string[i]);
            }
        }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0,12 sec, absolute running time: 0,11 sec, cpu time: 0,11 sec, average memory usage: 13 Mb, average nr of threads: 3, absolute service time: 0,27 sec

Numbers to chars: i: 0, number = 18517, char: 䡕 i: 1, number = 17822, char: 䖞 i: 2, number = 12785, char: ㇱ i: 3, number = 29074, char: 熒 i: 4, number = 31314, char: 穒 i: 5, number = 6731, char: ᩋ i: 6, number = 3902, char: ༾ i: 7, number = 29599, char: 玟 i: 8, number = 11592, char: ⵈ i: 9, number = 23102, char: 娾 i: 10, number = 14596, char: 㤄 i: 11, number = 3755, char: ຫ i: 12, number = 18567, char: 䢇 i: 13, number = 32522, char: 缊 i: 14, number = 27463, char: 歇 i: 15, number = 18591, char: 䢟 i: 16, number = 24031, char: 巟 i: 17, number = 2023, char: ߧ i: 18, number = 11982, char: ⻎ i: 19, number = 21610, char: 呪 i: 20, number = 3140, char: ౄ i: 21, number = 8198, char: i: 22, number = 570, char: Ⱥ i: 23, number = 27643, char: 毻 i: 24, number = 27811, char: 沣 max: 25, varchar(max): 䡕䖞ㇱ熒穒ᩋ༾玟ⵈ娾㤄ຫ䢇缊歇䢟巟ߧ⻎呪ౄ Ⱥ毻沣 Numbers from chars: i: 0, char: 䡕, number = 18517 i: 1, char: 䖞, number = 17822 i: 2, char: ㇱ, number = 12785 i: 3, char: 熒, number = 29074 i: 4, char: 穒, number = 31314 i: 5, char: ᩋ, number = 6731 i: 6, char: ༾, number = 3902 i: 7, char: 玟, number = 29599 i: 8, char: ⵈ, number = 11592 i: 9, char: 娾, number = 23102 i: 10, char: 㤄, number = 14596 i: 11, char: ຫ, number = 3755 i: 12, char: 䢇, number = 18567 i: 13, char: 缊, number = 32522 i: 14, char: 歇, number = 27463 i: 15, char: 䢟, number = 18591 i: 16, char: 巟, number = 24031 i: 17, char: ߧ, number = 2023 i: 18, char: ⻎, number = 11982 i: 19, char: 呪, number = 21610 i: 20, char: ౄ, number = 3140 i: 21, char: , number = 8198 i: 22, char: Ⱥ, number = 570 i: 23, char: 毻, number = 27643 i: 24, char: 沣, number = 27811