c# static class

Code Example 1

class SimpleClass
{
    // Static variable that must be initialized at run time.
    static readonly long baseline;

    // Static constructor is called at most one time, before any
    // instance constructor is invoked or member is accessed.
    static SimpleClass()
    {
        baseline = DateTime.Now.Ticks;
    }
}

Code Example 2

static class Class_name 
{
    public static nameofdatamember;
}

Code Example 3

In general, static means “associated with the class, not an instance”.
// Search c# static review for more detail