C# Create Multiplication Table

using System;

class Program
{
    static void Main()
    {
        int num;

        Console.Write("Enter table number: ");
        num = Convert.ToInt32(Console.ReadLine());

        while (num <= 0)
        {
            Console.WriteLine("Invalid number!");

            Console.Write("Enter number great than 0: ");
            num = Convert.ToInt32(Console.ReadLine());
        }

        Console.WriteLine("\nMultiplication Table: ");

        for (int i = 1; i <= num; i++)
        {
            Console.WriteLine("\n");

            for (int j = 1; j <= num; j++)
            {
                Console.Write("{0,6}", i * j);
            }

        }

        Console.Read();
    }
}

 

Output