/*Programmer: Rakshitha

Date: Start - April 27 end- May 04 

Project: u6a4_TimesTableGenerator

Description:Create an app that allows the user to enter in the size of the table to be generated and then display

the given formatted table */

using System;

​

public class Program

{

    public static void Main()

    {

        errorCheck:

            Console.WriteLine("Welcome To The Times Table Generator!"); //heading

        Console.WriteLine("Please enter in the Size of the table:"); //prompt

        //error check

        int tableSize;

        try

        {

            tableSize = Convert.ToInt32(Console.ReadLine());

        }

        catch (FormatException) // if user input is not a valid integer

        {

            Console.WriteLine("Error: Input must be a valid integer.");

            goto errorCheck;

        }

​

        // Display table header

        Console.Write(("X").ToString().PadLeft(5));//Pad.Left() method moves aligns to the left

        for (int i = 1; i <= tableSize; i++)

        {

            Console.Write(( i ).ToString().PadLeft(5));

        }

​

        Console.WriteLine();

        // Display separator

        Console.WriteLine(new string ('_', (tableSize + 1) * 5));//make sure column size matches table size

        // Display table rows

        for (int i = 1; i <= tableSize; i++)

        {

            Console.Write((i + "|").ToString().PadLeft(5));

            for (int j = 1; j <= tableSize; j++)//for the multipled values

            {

                Console.Write((i * j).ToString().PadLeft(5));//display multiplied values

            }

​

            Console.WriteLine();

        }

    }

}