How to print right angle triangle in ascending and descending shape.

• This program is example  for to print the right angle triangle in the form of  descending and ascending shape.
• Length of  triangle depends on what ever the number we entered.

 public static void Main(string[] args)   
     {  
       Console.Write("Enter a number: ");  
       int n = Convert.ToInt32(Console.ReadLine());  
       Console.WriteLine();  
       for (int i = n; i >= 0; i--)  
       {  
         for (int j = 1; j <= i; j++)  
           Console.Write(j.ToString());  
         Console.WriteLine();  
       }  
       for (int i = 1; i <= n; i++)  
       {  
         for (int j = 1; j <= i; j++)  
           Console.Write(j.ToString());  
         Console.WriteLine();  
       }  
       Console.WriteLine();  
       Console.ReadLine();  
     }