Records not displaying on view page?

Controller -

using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.Security;
using RoadSafetyMVC.Models.DB;
using RoadSafetyMVC.Models.Super;
using System.Web.SessionState;

namespace RoadSafetyMVC.Controllers
{
    public class SuperController : Controller
    {

        connection con = new connection();
        public Data_Object_SQL_SERVER obj = new Data_Object_SQL_SERVER();
        //
        // GET: /Super/
       

        public ActionResult Default()
        {
            if (Session["UserId"] == null)
            {
                Session.Abandon();

                return RedirectToAction("Login");
            }
            else
            {
                return View();
            }
        }

        public ActionResult LogOff()
        {
            Session.Abandon();
            return RedirectToAction("Login");
        }

     

        public ActionResult comp_maping_users()
        {
            if (Session["UserId"] == null)
            {
                Session.Abandon();

                return RedirectToAction("Login");
            }
            else
            {
                List<componentusertypemapping> perUserTypelst = new List<componentusertypemapping>();
                if (ModelState.IsValid)
                {
                    ComponentUserTypeMapping perUserType = new ComponentUserTypeMapping();

                    perUserType.PermissionList = new List<SelectListItem>();
                    int PTypeID = 0;
                    foreach (var item in Listclass.GetPermissionList(PTypeID))
                    {
                        perUserType.PermissionList.Add(new SelectListItem() { Text = item.PType, Value = item.PTypeID.ToString() });
                    }
                    perUserTypelst.Add(perUserType);
                }

                return View(perUserTypelst);
            }
        }

        [HttpPost]
        public ActionResult comp_maping_users(string perid)
        {
            if (Session["UserId"] == null)
            {
                Session.Abandon();

                return RedirectToAction("Login");
            }
            else
            {
                List<componentusertypemapping> perUserTypeMap = new List<componentusertypemapping>();
                if (ModelState.IsValid)
                {
                     perUserTypeMap = Listclass.SelPermissionDetails(Convert.ToInt32(perid));
                }


                ComponentUserTypeMapping perUserType = new ComponentUserTypeMapping();

                perUserType.PermissionList = new List<SelectListItem>();
                int PTypeID = 0;
                foreach (var item in Listclass.GetPermissionList(PTypeID))
                {
                    perUserType.PermissionList.Add(new SelectListItem() { Text = item.PType, Value = item.PTypeID.ToString() });
                }

                ViewData["PermissionType"] = perUserType;
              
                return View(perUserTypeMap);
            }
        }

        public ActionResult ComponentMaster()
        {
            if (Session["UserId"] == null)
            {
                Session.Abandon();

                return RedirectToAction("Login");
            }
            else
            {
                List<componentmaster> compMaster = Listclass.CompDetails();

                return View(compMaster);
            }
           
        }

    }
}

Model-
public class ComponentUserTypeMapping
    {
        [Required(ErrorMessage = "Enter Component Name")]
        [Display(Name = "Enter Component Name")]
        [StringLength(100, ErrorMessage = "Must be of 100 Characters")]
        public string ComponentName { get; set; }

        [Required(ErrorMessage = "Enter Module Name")]
        [Display(Name = "Enter Module Name")]
        [StringLength(100, ErrorMessage = "Must be of 100 Characters")]
        public string module_name { get; set; }

        public int comp_id { get; set; }

        public int PTypeID { get; set; }
        public string PType { get; set; }
        public string Selvalue { get; set; }
        public List<SelectListItem> PermissionList { get; set; }
    }

public static List<ComponentUserTypeMapping> GetPermissionList(int PTypeID)
        {
            List<ComponentUserTypeMapping> Permissionlst = new List<ComponentUserTypeMapping>();
            DataSet ds = null;

            if (PTypeID == 0)
            {
                ds = con.simplefetch("select PTypeID, PType from St_PermissionType where Status='Active' order by PType");
            }
            else if (PTypeID > 0)
            {
                ds = con.simplefetch("select PTypeID, PType from St_PermissionType where Status='Active' and PTypeID=" + PTypeID + " order by PType");
            }

            foreach (DataRow row in ds.Tables[0].Rows)
            {
                ComponentUserTypeMapping permission = new ComponentUserTypeMapping();

                permission.PTypeID = Convert.ToInt32(row["PTypeID"]);
                permission.PType = Convert.ToString(row["PType"]);

                Permissionlst.Add(permission);
            }
            return Permissionlst;
        }

        public static List<ComponentUserTypeMapping> SelPermissionDetails(int PTypeID)
        {
            DataSet ds = con.simplefetch("select c.*,m.module_name,(case when (select count(*) from map_component_usertype where status='Active' and comp_id=c.comp_id and ut_id='" + PTypeID + "')>0 then 'checked' else '' end) as chk from st_components c,st_module m where m.status='Active' and c.status='Active' and m.mod_id=c.mod_id order by m.module_name,c.comp_name");
            List<ComponentUserTypeMapping> permlst = new List<ComponentUserTypeMapping>();

            ComponentUserTypeMapping perm = new ComponentUserTypeMapping();
            foreach (DataRow row in ds.Tables[0].Rows)
            {
                perm.PermissionList = new List<SelectListItem>();
                //int permId = 0;


                perm.module_name = Convert.ToString(row["module_name"]);
                perm.ComponentName = Convert.ToString(row["comp_name"]);
                perm.comp_id = Convert.ToInt32(row["comp_id"]);
                perm.Selvalue = Convert.ToString(PTypeID);

                //foreach (var item in Listclass.GetPermissionList(permId))
                //{
                //    perm.PermissionList.Add(new SelectListItem() { Text = item.PType, Value = item.PTypeID.ToString() });
                //}

                permlst.Add(perm);
            }
            return permlst;
        }

View -
@model IEnumerable<roadsafetymvc.models.super.componentusertypemapping>
@using RoadSafetyMVC.Models.Super;
@using RoadSafetyMVC.Models.DB;

@{
    ViewBag.Title = "comp_maping_users";
    Layout = "~/Views/Super/_SuperLayout.cshtml";
   
}
<!DOCTYPE html>
<link rel="stylesheet" href="@Href("~/Content/Site.css")" type="text/css" />
<html>
<head>
    <title>Create</title>
    <script src="../../Scripts/jquery-1.4.1.js"></script>
    <script type="text/javascript">
        $(function () {
            $("#item_PTypeID").change(function () {
                $.post("/Super/comp_maping_users", { perid: $("#item_PTypeID").val() }, function (response) {
                    alert(response);
                });
            });
        });
    </script>
</head>
<body>
    <form name="myform1" method="post">
        <div style="width: 100%" align="center">
            <table>
                <tr>
                    <th colspan="3">Map Components with User Type</th>
                </tr>
                <tr>
                    <td class="td_text">
                        <label for="ut">User Type:</label></td>
                    <td>
                        @{
                             
                            if (ViewData["PermissionType"] != null)
                            {
                                List<componentusertypemapping> perUserTypelst = new List<componentusertypemapping>();

                                ComponentUserTypeMapping perUserType = new ComponentUserTypeMapping();

                                perUserType.PermissionList = new List<SelectListItem>();
                                int PTypeID = 0;
                                foreach (var item in Listclass.GetPermissionList(PTypeID))
                                {
                                    perUserType.PermissionList.Add(new SelectListItem() { Text = item.PType, Value = item.PTypeID.ToString() });
                                }
                                perUserTypelst.Add(perUserType);



                                foreach (var item in perUserTypelst)
                                {
                                    if (item.PermissionList != null && item.PermissionList.Count > 0)
                                    {
                            @Html.DropDownListFor(modelItem => item.PTypeID, item.PermissionList, "--Select Permission--")
                                    }
                                    else
                                    { 
                            <select name="PTypeID">
                                <option value="0">--select--</option>
                            </select>
                                    }
                                }
                            }
                            else
                            {
                                foreach (var item in Model)
                                {
                                    if (item.PermissionList != null && item.PermissionList.Count > 0)
                                    {
                            @Html.DropDownListFor(modelItem => item.PTypeID, item.PermissionList, "--Select Permission--")
                                    }
                                    else
                                    { 
                            <select name="PTypeID">
                                <option value="0">--select--</option>
                            </select>
                                    }
                                }
                            }
                            
                        }

                    </componentusertypemapping></componentusertypemapping></td>
                </tr>

            </table>
            <br />
            <table id="grdUsers" style="width: 100%">
                <tr>
                    <th>Sno.</th>
                    <th>Component Name</th>
                    <th>Module Name</th>
                    <th>Select All<input type="checkbox" id="selectAll" onclick="SelectAllCheckboxes(this, 'grdUsers')" /></th>
                </tr>

                @{
                    int i = 1;
                    foreach (var item in Model)
                    {
                        if (Convert.ToInt32(item.Selvalue) > 0 && item.Selvalue != null)
                        {
                    <tr>
                        <td>@i</td>
                        <td>@item.ComponentName</td>
                        <td>@item.module_name</td>
                        <td style="text-align: center;">
                            @*   <input type="checkbox" name="chk" id="chk_item.comp_id" value="@item.comp_id" >*@
                        </td>
                    </tr>
                            i++;
                        }
                        else
                        {
                    <tr>
                        <th colspan="4" style="text-align: center;">No Record Found.
                        </th>
                    </tr>
                        }
                    }
                    <tr>
                        <td colspan="4" style="text-align: center;">
                            <input type="submit" name="sub" id="sub" value="Proceed" onclick="return confirm('Are you sure to Proceed??')" />
                        </td>

                    </tr>
                }
            </table>
        </div>
    </form>
</body>
</html></roadsafetymvc.models.super.componentusertypemapping></componentmaster></componentusertypemapping></componentusertypemapping></componentusertypemapping></componentusertypemapping>