CSHARP

c# char to int

int val = (int)Char.GetNumericValue('8');

c# char to int

char foo = '2';
int bar = foo - '0';

c# char to int

using System;
public class Test
{
	public static void Main()
	{
		char a = 'c';
		int answer = (int)a;//char to int convertion
		Console.WriteLine(answer);
	}
}