public ActionResult List_user(string user_name, string act, string ctrl, string type_act, string type, string lang, string search, int?page, int?page_size, string order_by, string order_type)
        {
            UserModels    userModels     = new UserModels();
            RoleModels    roleModels     = new RoleModels();
            C_User        cuser          = new C_User();
            StringBuilder sb             = new StringBuilder();
            var           list_user_view = new Web.Areas.Admin.ViewModels.List_user_view();

            this.TryUpdateModel(list_user_view);
            int total_record = 0;

            if (string.IsNullOrEmpty(type))
            {
                type = Request.QueryString["type"] != null ? Request.QueryString["type"].ToString() : string.Empty;
            }

            if (type == string.Empty)
            {
                list_user_view.Message = "Chúng tôi không tìm thấy danh sách bạn yêu cầu";
            }

            if (string.IsNullOrEmpty(act))
            {
                act = Request.QueryString["act"] != null ? Request.QueryString["act"].ToString() : "list_user";
            }

            if (string.IsNullOrEmpty(ctrl))
            {
                ctrl = Request.QueryString["ctrl"] != null ? Request.QueryString["ctrl"].ToString() : "adminUser";
            }

            if (page == null || page == 0)
            {
                page = Request.QueryString["page"] != null?Convert.ToInt32(Request.QueryString["page"].ToString()) : 1;
            }

            if (string.IsNullOrEmpty(lang))
            {
                lang = LanguageModels.ActiveLanguage().LangCultureName;
            }

            if (page_size == null)
            {
                page_size = int.Parse(Util.GetConfigValue("NumberPageSizeAdmin", "30"));
            }

            if (user_name != null && type_act != null && type_act == CommonGlobal.Delete)
            {
                ////check permission delete
                if (UserModels.CheckPermission(this.Session["mem"] != null ? this.Session["mem"].ToString() : string.Empty, act, ctrl, type_act, type ?? string.Empty))
                {
                    cuser = userModels.GetUserbyUserName(user_name);
                    if (cuser != null)
                    {
                        ////delete user
                        bool rt = userModels.Delete_User(user_name);
                        if (rt)
                        {
                            list_user_view.Message = "Bạn đã xóa " + user_name;
                        }
                        else
                        {
                            list_user_view.Message = "Xóa không thành công";
                        }
                    }
                    else
                    {
                        list_user_view.Message = "Không tìm thấy  : " + user_name;
                    }
                }
                else
                {
                    list_user_view.Message = " Bạn không có quyền thực thi hành động xóa.";
                }
            }

            if (string.IsNullOrEmpty(order_by) || string.IsNullOrEmpty(order_type))
            {
                order_by   = "Username";
                order_type = "asc";
            }

            list_user_view.Type      = type;
            list_user_view.Cate_type = roleModels.GetRoleByRole(type);
            list_user_view.Lang      = lang;
            list_user_view.Type_act  = type_act;
            ////tab
            sb.Append("<li class=\"active\"><a href=\"#\"><span><span>Danh sách " + list_user_view.Cate_type + "</span></span></a></li>");
            if (type == "Admin")
            {
                sb.Append("<li><a href=\"" + Url.Action("index", "dashboard", new { act = "change_user", ctrl = "adminUser", type = type, type_act = CommonGlobal.Add }) + "\"><span><span>Thêm " + list_user_view.Cate_type + "</span></span></a></li>");
            }

            list_user_view.Html_link_tab = sb.ToString();
            ////list language
            list_user_view.List_language = this.List_select_language(this.Lang);
            ////list page size and paging
            list_user_view.List_page_size = this.GetSizePagingPublic((int)page_size);
            list_user_view.Page           = (int)page;
            list_user_view.Page_size      = (int)page_size;
            ////list catalog
            list_user_view.Page_list_user = userModels.AdminGetAllUser(type, lang, search, (int)page, (int)page_size, order_by, order_type, out total_record);
            list_user_view.Search         = search;
            list_user_view.Order_by       = order_by;
            list_user_view.Order_type     = order_type;
            list_user_view.Total_record   = total_record;
            ////acton and parent action
            list_user_view.Act               = act;
            list_user_view.Ctrl              = ctrl;
            list_user_view.Parent_action     = HttpContext.Request.RequestContext.RouteData.Values["action"].ToString();
            list_user_view.Parent_controller = HttpContext.Request.RequestContext.RouteData.Values["controller"].ToString();

            return(this.PartialView("../control/list_user", list_user_view));
        }