static void Main(string[] args)
{
// start outer loop - count 1 to 9
for (int oCount = 1; oCount <= 9; oCount++)
{
// start inner loop
for (int iCount = 1; iCount <= oCount; iCount++)
{
Console.Write("{0} ", iCount); // for each outer loop, print value
}
// end inner loop
Console.WriteLine(" "); // separates values with space
}
// end outer loop
// print footer
Console.WriteLine();
} // end Main Method