Asp. NET permissions control for HTML page elements (iii)

Some things that were not considered in the previous blog This time change the code as follows:

Interface Front Desk:

<%@ page language= "C #" autoeventwireup= "true" codebehind= "AdmShowDIV.aspx.cs" inherits= " ExamSystemV3.Manager.RoleManager.AdmShowDIV "%> <! DOCTYPE html> 
 Interface background: 
 

Using the BLL. MANAGER.ROLEUSERMANAGERBLL; Using System; Using System.Collections.Generic; Using System.Data; Using System.Linq; Using System.Web; Using System.Web.UI; Using System.Web.UI.WebControls; namespace ExamSystemV3.Manager.RoleManager {public partial class AdmShowDIV:System.Web.UI.Page {protected void Page_lo Ad (object sender, EventArgs e) {string strlike= ""; IsPostBack) {//Binding interface Databindwindows (Strlike);}} <summary>///binding all interfaces///</summary>/<param name= "strlike" ></param> public void Databindwi Ndows (String strlike) {DataTable dt = new DataTable (); Admwindowsmanager Admwindowsmanager = new Admwindowsmanager (); Find out all the interface dt = Admwindowsmanager.querywindowinfo (strlike); Binding interface Information Ddlwindowsname.datasource = DT; Ddlwindowsname.datavaluefield = "Id"; Ddlwindowsname.datatextfield = "Windowsname"; Ddlwindowsname.databind (); } protected void Ddlwindowsname_selectedindexchanged (object sender, EventArgs e) {DataTable dt = new DataTable (); string STrlike = ""; Admwindowsmanager Admwindowsmanager = new Admwindowsmanager (); Information to isolate the interface dt = Admwindowsmanager.querywindowinfo (strlike); String strwindowsid=ddlwindowsname.selectedvalue.tostring (). Trim (); Strlike = "id=" "+strwindowsid+" "; datarow[] Rows =dt. Select (Strlike); Get path string strurl = rows[0]["Windowsurl"]. ToString (); strURL = ". /.. /"+ strURL; frmwindows.attributes["src"]=strurl; frmupdatediv.attributes["src"] = "admupdatediv.aspx?" Windowsid= ' "+ strwindowsid +" ' ";}}}
 JS: 
 

var windowsid; function Windowsinfo () {//get ifrm var frmwindows = document.getElementById ("Frmwindows"). Contentwindow;//Get interface ID Windowsid = document.getElementById ("Ddlwindowsname"). Value; var rootboxs = frmWindows.document.getElementById ("main"); var child = Rootboxs.childnodes; Findchildbox (child); };  Search child node function Findchildbox (parentnode) {for (var i = 0; i < parentnode.length; i++) {if (Parentnode[i].nodename = = "box") {var childboxid = parentnode[i].id; var childboxtitle = encodeURI (parentnode[i].title); var parentbox = Findparen Tbox (Parentnode[i].parentnode); var parentboxid = parentbox.id; if (window. XMLHttpRequest) {//ie7 above,firefox,chrome^^ xmlhttp = new XMLHttpRequest ();//In order to be compatible with part of the Mozillar browser, when the response from the server starts with not XML, The resulting unresponsive problem if (Xmlhttp.overridemimetype) {xmlhttp.overridemimetype (' text/xml ');}} else if (window. ActiveXObject) {//ie5\ie6 xmlhttp = new ActiveXObject ("Microsoft.XMLHTTP");} if (xmlhttp = = NULL | | xmlhttp = undefined {alert ("Con ' t create XMLHttpRequestObject "); }////Register callback function//xmlhttp.onreadystatechange = callback; Send Message Xmlhttp.open (' GET ', '. /.. /manager/rolemanager/addbox.ashx?childboxid= ' + childboxid + ' &childboxtitle= ' + childboxtitle + ' &parentboxId = ' + parentboxid+ ' &windowsid= ' +windowsid, true); Xmlhttp.send (NULL);  function callback () {////Determine if the interaction is complete, return correctly//if (xmlhttp.readystate = = 4 && xmlhttp.status = = 200) {//}//}} Findchildbox (Parentnode[i].childnodes)}}//Query parent node function Findparentbox (child) {if (Child.nodename = = "box") {return Child } else {return Findparentbox (Child.parentnode)}}
 Generic handler: 
 

Using System; Using System.Collections.Generic; Using System.Linq; Using System.Web; Using the BLL. MANAGER.ROLEUSERMANAGERBLL; Using System.Data; Using System.Text; Using Model; Using BLL;  namespace ExamSystemV3.Manager.RoleManager {//<summary>///Addbox Summary description///</summary> public class Addbox : IHttpHandler {public void ProcessRequest (HttpContext context) {context. Response.ContentType = "Text/plain"; System.Threading.Thread.Sleep (1000); Diventity ediv = new diventity (); Tr_windowsdiventity ewindowsdiv = new tr_windowsdiventity (); Admdivmanager Admdivmanager = new Admdivmanager (); PUBLICBLL PUBLICBLL = new PUBLICBLL (); Collect information string strchildboxid = ""; String strchildboxtitle = ""; Strchildboxid = context. request.querystring["Childboxid"]. ToString (). Trim (); Strchildboxtitle = context. Server.urldecode (context. request.querystring["Childboxtitle"]. ToString (). Trim ()); String Strwindowsid = context. request.querystring["Windowsid"]. ToString (). Trim (); String Strparentboxid=conText. request.querystring["Parentboxid"]. ToString (). Trim ();; String strstate = "Yes"; String strdatetime = Publicbll.getdate (); String StrIP = Publicbll.getwebclientip (); String stroperator = "Xvshu";//context. session["Userno"]. ToString (). Trim ();; Assigning a value to an entity class ediv.id = Strchildboxid; Ediv.mainrelation = Strparentboxid; Ediv.divname = Strchildboxtitle; Ediv.divdescribe = Strchildboxtitle; Ediv.operator = Stroperator; Ediv.operatorip = StrIP; Ediv.state = strstate; Ediv.datetime = Strdatetime; Assign value Ewindowsdiv.divid = Strchildboxid to Windowsdiv entity class; Ewindowsdiv.windowsid = Strwindowsid; ewindowsdiv.isvisible = "Yes"; Ewindowsdiv.operator = Stroperator; Ewindowsdiv.operatorip = StrIP; Ewindowsdiv.datetime = Strdatetime; Add Div admdivmanager.adddiv (ediv,ewindowsdiv); } public bool IsReusable {get {return false;}}} }