EnumToDictonary [int, string]

EnumExtension.cs

//Programmed in LINQPad 5
void Main()
{
	var result = EnumExtension.EnumToDictonary<CivilStatusEnum>();
	Console.WriteLine(result);
}

public static class EnumExtension
{
	public static Dictionary<int, string> EnumToDictionary<T>() where T : struct
	{
	    if (!typeof(T).IsEnum) throw new ArgumentException($"{typeof(T)} is not an Enum type");
	    var dic = new Dictionary<int, string>();
	    var enums = Enum.GetValues(typeof(T));
	    foreach (var enumItem in enums)
	    {
	        dic.Add((int)enumItem, enumItem.ToString());
	    }
	    return dic;
	}
	public static IList<EnumeratorModel> EnumToModelList<T>() where T : struct
        {
            if (!typeof(T).IsEnum) throw new ArgumentException($"{typeof(T)} is not an Enum type");
            var enumerators = new List<EnumeratorModel>();
            var enums = Enum.GetValues(typeof(T));
            foreach (var enumItem in enums)
            {
                enumerators.Add(new EnumeratorModel()
                {
                    Id = (int)enumItem,
                    Name = enumItem.ToString()
                });
            }
            return enumerators;
        }
}

public class EnumeratorModel
{
    public int Id { get; set; }
    public string Name { get; set; }
}

public enum CivilStatusEnum
{
    Divorced = 11,
    Single = 9,
    Married = 68,
    Widowed = 22
}

//Result
//[Key][Value]
//9	Single 
//11	Divorced 
//22	Widowed 
//68	Married