第一種

  DropDownList_Franchiser_Type.DataSource = ListTypeForEnum();
  DropDownList_Franchiser_Type.DataValueField = "value";
  DropDownList_Franchiser_Type.DataTextField = "text";
  DropDownList_Franchiser_Type.DataBind() 

  //轉換枚舉類
  public static IList ListTypeForEnum()
        {
            ArrayList list 
 
= new ArrayList();
            foreach (int i in Enum.GetValues(typeof(FranchiserEnum)))
            {
                ListItem listitem = new ListItem(Enum.GetName(typeof(FranchiserEnum), i), i.ToString());
                list.Add(listitem);
            }
            return list;
        }

//第二種

  DropDownList_Franchiser_Type.DataSource 
 
= System.Enum.GetNames(typeof(FranchiserEnum));
                DropDownList_Franchiser_Type.DataBind();
                ListItem li = new ListItem("--請選擇--", "");
                this.DropDownList_Franchiser_Type.Items.Insert(0, li);


//枚舉


    /// <summary>
    /// 經銷商類別
    /// </summary>
    public
 
 enum FranchiserEnum 
    {
        [Display(Name = "無")]
        無 = 0,
        [Display(Name = "簽約經銷商（B類）")]
        簽約經銷商 = 1, 
        [Display(Name = "非簽約經銷商（C類）")]
        非簽約經銷商 = 2, 
        [Display(Name = "個人")]
        個人 = 3, 
        [Display(Name = "自有倉庫")]
        自有倉庫 = 4,
        [Display(Name = "其他")]
        其他 = 5,

    }

C# DropDownList 綁定枚舉類