enumTest

public class EnumTest
{
    enum Days { Sun=1, Mon=2, Tue=3, Wed=4, Thu=5, Fri=6, Sat=7 };

    static void Main()
    {
        int someNum = Convert.ToInt32(textBox1.Text);
        int x = (int)Days.someNum;
        textBox2.Text="Sun = "+ x;
    }
}