c# EnumUtil

public class EnumUtil
    {
        /// <summary>       /// convert obj to Enum
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="obj"></param>
        /// <returns></returns>
        public static T Obj2Enum<T>(object obj)
        {
            if (obj != null)
            {
                if (!string.IsNullOrEmpty(obj.ToString().Trim()))
                {
                    try
                    {
                        T t = (T)Enum.Parse(typeof(T), obj.ToString().Trim());
                        return t;
                    }
                    catch (Exception ex)
                    {
                    }
                }
            }
            return default(T);
        }
        /// <summary>      /// Convert Enum to DataTable 
        /// 
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <returns></returns>
        public static DataTable Enum2Dt<T>()
        {
            Type t = typeof(T);
            DataTable dt = new DataTable();
            dt.Columns.Add("EnumValue");
            dt.Columns.Add("EnumText");
            foreach (int obj in Enum.GetValues(t))
            {
                DataRow dr = dt.NewRow();
                dr["EnumValue"] = obj.ToString();
                dr["EnumText"] = Enum.GetName(t, obj);
                dt.Rows.Add(dr);
            }
            return dt;
        }
        /// <summary>     /// get enum value
        /// </summary>
        /// <param name="v"></param>
        /// <returns></returns>
        public static int GetEnumValue(Enum v)
        {
            return v.GetHashCode();          
        }

        public static string GetEnumString<T>(object obj)
        {
            if (obj==null)
            {
                return null;
            }

            T t = (T)Enum.Parse(typeof(T), obj.ToString().Trim());
            return t.ToString();
        }

        /// <summary>
        /// zlh 20111119
        /// get enum name
        /// </summary>
        /// <param name="v"></param>
        /// <returns></returns>
        public static string GetEnumString(Enum v)
        {
            return v.ToString();          
        }
        /// <summary>        /// convert enum to list
        /// </summary>
        /// <param name="type"></param>
        /// <returns></returns>
        public static IList<EnumEntity> Enum2List<T>()
        {
            
            IList<EnumEntity> list = new List<EnumEntity>();
            foreach (int obj in Enum.GetValues(typeof(T)))
            {
                EnumEntity item = new EnumEntity();
                item.EnumValue= obj; ;
                item.EnumText = Enum.GetName(typeof(T), obj);
                list.Add(item);
            }

            return list;
        }



    }

    /// <summary>   /// key value 
    /// </summary>
    public class EnumEntity
    {
        public string EnumText { get; set; }
        public int EnumValue { get; set; }
    }