Question

I have a field which is static and readonly. The requirement is that the value should be allocated to the field at the login time and after that it should be readonly. How can i achieve this ?

  public static class Constant
    {
        public static readonly string name;                

    }

Kindly guide.

Answer 1

public static class Constant
{
    public static string Name
    {
        get
        {
            return name;
        }
        set
        {
            if (name == null)
                name = value;
            else
                throw new Exception("...");
        }
    }
    private static string name;
}