Razor

//

//仅供学习，注明出处。

//PlanUseOfDrugsVM页面层对象模型

//这里是Controller控制器方法。通过制定方法获取枚举，运用ViewData存取键值对数据

 public IList<PlanUseOfDrugsVM> GetIntervalType()
        {
            IList<PlanUseOfDrugsVM> list = new List<PlanUseOfDrugsVM>();
            IDictionary<int, string> dic = new GetDicFromEnum().Get(typeof(IntervalEnum));
            list.Add(new PlanUseOfDrugsVM
            {
                Interval = null,
                IntervalName = "请选择..."
            });
            foreach (var p in dic)
            {
                list.Add(new PlanUseOfDrugsVM { Interval = p.Key, IntervalName = p.Value });

            }
            return list;
        }

//仅供学习，注明出处。

public class GetDicFromEnum
    {
        ///<summary>
        /// 根据一个枚举类型得到一个IDictionary格式如下
        ///  public enum Folk
        /// {
        ///        [Description("汉族")]
        ///        HanZu,
        ///        [Description("回族")]
        ///        Huizi
        ///  }
        ///</summary>
        ///<param name="enumType">枚举类型</param>
        ///<returns>IDictionary列表</returns>
        public IDictionary<int, string> Get(Type enumType)
        {
            IDictionary<int, string> ht = new Dictionary<int, string>();
            Type typeDescription = typeof(DescriptionAttribute);
            System.Reflection.FieldInfo[] fields = enumType.GetFields();
            string strText = string.Empty;
            int strValue = 0;
            foreach (FieldInfo field in fields)
            {
                if (field.FieldType.IsEnum == true)
                {
                    strValue = ((int)enumType.InvokeMember(field.Name, BindingFlags.GetField, null, null, null));
                    if (strValue >= -1)
                    {
                        object[] arr = field.GetCustomAttributes(typeDescription, true);
                        if (arr.Length > 0)
                        {
                            DescriptionAttribute aa = (DescriptionAttribute)arr[0];
                            strText = aa.Description;
                        }
                        else
                        {
                            strText = field.Name;
                        }
                        ht.Add(strValue, strText);
                    }
                }
            }

            return ht;
        }
    }
}

//仅供学习，注明出处。

//前台DropDownList引用

 @Html.LabelFor(model => model.MType)：
@Html.DropDownListFor(model => model.MType,
  ViewData["GetIntervalType"] as SelectList, new { @style = "160px" })