.netdropdownlist動態顯示，指定字段

　　　　　　　　　　　 this.ddlPermission.Items.Clear();                    this.ddlPermission.Items.Insert(0,new ListItem("請選擇",""));                    this.ddlPermission.Items.Insert(1,new ListItem("管理01",DEP_ID+"01"));                    this.ddlPermission.Items.Insert(2,new ListItem("管理02",DEP_ID+"02"));                    this.ddlPermission.Items.Insert(3,new ListItem("檢視03",DEP_ID+"03"));                    this.ddlPermission.Items.Insert(4,new ListItem("檢視04",DEP_ID+"04"));                    this.ddlPermission.Items.Insert(5,new ListItem("檢視05",DEP_ID+"05"));                                        foreach(DataRow dr in dt.Rows)                    {                        this.ddlPermission.Items.Remove(ddlPermission.Items.FindByText(dr["PermissionName"].ToString()));//                        foreach(ListItem li in this.ddlPermission.Items)//                        {//                            Response.Write(li.Text);//                            //Response.Write("li.text="+li.Text+" <br /> dr="+dr["PermissionName"].ToString());//                            if(dr["PermissionName"].ToString()==li.Text )//                            {//                                this.ddlPermission.Items.Remove(li.Text);//                            }//                        }                    }                    Response.Write("<br />"+this.ddlPermission.Items.Count);                }