Convert an integer to character

Question

How do I convert the result of:

Random rnd = new Random();
var x = rnd.Next(1,4);

if x is 1 I just need it to be '1', if it is 2 I just need it to be '2', and if it is 3 I just need it to be '3'. Basically just add the quotation marks. Thank you.

Answer 1

There are several ways to do it, here are a couple of them:

Add the char zero (only works if it's one digit):

var c = (char)('0' + rnd.Next(1,4));

Convert to string and get the first character:

var c = rnd.Next(1, 4).ToString().ToCharArray()[0];

Answer 2

You could convert to string :

var x = rnd.Next(1, 4).ToString()[0]

Answer 3

You can add this number to the char '0' to get the char value.

Random rnd = new Random();
var x = rnd.Next(1,4);
char c = Convert.ToChar(x + '0');
Console.WriteLine("x : " + x + " - c : " + c); // Outputs : x : 1 - c : 1

Answer 4

If you want to create a string literal including the single quotes instead of creating an actual char as described in other answers, do this:

Random rnd = new Random();
var x = rnd.Next(1,4).ToString(@"\'#\'");

Answer 5

You want to convert:

(int)1 to '1'
(int)2 to '2'
(int)3 to '3'
...

which is basically a function

char NumberToChar(int n) => (char)('0' + n);

Answer 6

One more option, because we don't have enough yet:

Random rnd = new Random();
var x = rnd.Next(1,4);
char c;
switch (x)
{
    case 1:
        c = '1';
        break;
    case 2:
        c = '2';
        break;
    case 3:
        c = '3';
        break;
}