try this one,..
static void Main(string[] args)
{
int numberoflayer = 6, Space, Number;
Console.WriteLine("Print paramid");
for (int i = 1; i <= numberoflayer; i++)
{
for (Space = 1; Space <= (numberoflayer - i); Space++)
Console.Write(" ");
for (Number = 1; Number <= i; Number++)
Console.Write(Number);
for (Number = (i - 1); Number >= 1; Number--)
Console.Write(Number);
Console.WriteLine();
}
Console.ReadLine();
}
Accept as answer if solve you problem.