Here is my proposition – it should give you the idea on how to do this (check also Getting attributes of Enum’s value):
public static string ToEnumString<T>(T type)
{
var enumType = typeof (T);
var name = Enum.GetName(enumType, type);
var enumMemberAttribute = ((EnumMemberAttribute[])enumType.GetField(name).GetCustomAttributes(typeof(EnumMemberAttribute), true)).Single();
return enumMemberAttribute.Value;
}
public static T ToEnum<T>(string str)
{
var enumType = typeof(T);
foreach (var name in Enum.GetNames(enumType))
{
var enumMemberAttribute = ((EnumMemberAttribute[])enumType.GetField(name).GetCustomAttributes(typeof(EnumMemberAttribute), true)).Single();
if (enumMemberAttribute.Value == str) return (T)Enum.Parse(enumType, name);
}
//throw exception or whatever handling you want or
return default(T);
}