<%@ WebHandler Language="C#" Class="CheckPriKey"  %>

using System;
using System.Collections.Generic;
using System.Web;
using System.Data;
using System.IO;
using eMIS.Data;
using System.Data.Common;
using System.Text;
using System.Web.SessionState;
using eMIS;


public class CheckPriKey : IHttpHandler, IRequiresSessionState
{

    public void ProcessRequest (HttpContext context)
    {
        string menuId = context.Request.QueryString["id"].ToString();
        string pk = context.Request.QueryString["pk"].ToString();
        string ck = context.Request.QueryString["ck"].ToString();

        InstanceManager inst = new InstanceManager(context,menuId);
        inst.AllowSaveState = true;

        string list = inst.GetStateValue("spk");

        if (ck == "1")
            list = add(list, pk);
        else if (ck == "0")
            list = del(list, pk);
        else
            list = pk;


        inst.SetStateValue("spk", list);

        context.Response.ContentType = "text/plain";
        context.Response.ContentEncoding = System.Text.Encoding.UTF8;

        context.Response.Write(list);

    }
    public string del(string list,string pk)
    {
        string s = list;

        if (s != "")
        {
            s = "," + list + ",";
            if (s.Contains("," + pk + ","))
                s = s.Replace("," + pk + ",", ",");

            s = s.Substring(1, s.Length - 2);
        }
        return s;
    }


    public string add(string list,string pk)
    {
        string s = list;

        if (s != "")
        {
            s = "," + list + ",";
            if (!s.Contains("," + pk + ","))
                s += pk+",";

            s = s.Substring(1, s.Length - 2);
        }
        else
        {
            s = pk;
        }
        return s;
    }

    public bool IsReusable
    {
        get
        {
            return false;
        }
    }

}