.net dropdownlist 動態顯示，指定字段

dropdownlist   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);

                }