c# .aspx in how to use for each loop code example

Example 1: how do i foreach c#

//No counter just the foreach.
 //the HelloWorld is the Class objects name nor a public string can be used aswell.
foreach (string element in fibNumbers)
{
    Console.WriteLine(element.HelloWorld);
}

Example 2: for in c#

for (int i = 0; i < 5; i++)
{
    Console.WriteLine(i);
}