สอบถามครับ C# กำลังทำโปรเจคจบโปรแกรมห้องสมุด ขอคำแนะนำหน่อยครับ

(function (angular) {
    'use strict';
    angular.module('ngViewPIS', ['ngRoute', 'ngAnimate'])
        .run(function ($rootScope) {
            $rootScope.xShow = false;
        })
      .config(['$routeProvider', '$locationProvider',
      function ($routeProvider, $locationProvider) {
          $routeProvider
            .when('/PO', { // ใบสั่งซื้อ
                templateUrl: './PO/PO.html',
                controller: 'POCtrl',
                controllerAs: 'PO'
            })
            .when('/POPlan', { // แผนจัดซื้อ
                templateUrl: './POPlan/POPlan.html',
                controller: 'POPlanCtrl',
                controllerAs: 'POPlan'
            })
            .when('/ReceiveDrugFromPO', { // รับยาจากใบสั่งซื้อ
                templateUrl: './ReceiveDrugFromPO/ReceiveDrugFromPO.html',
                controller: 'ReceiveDrugFromPOCtrl',
                controllerAs: 'ReceiveDrugFromPO'
            })
            .when('/ReceiveDrugFromOther', { // รับยาไม่มีใบสั่งซื้อ/จากหน่วยงานอื่น
                templateUrl: './ReceiveDrugFromOther/ReceiveDrugFromOther.html',
                controller: 'ReceiveDrugFromOtherCtrl',
                controllerAs: 'ReceiveDrugFromOther'
            })
            .otherwise({
                redirectTo: '/'
            });
          //Hacks .NET
          $locationProvider.html5Mode(true);
      }])
      .controller('MainCtrl', ['$route', '$routeParams', '$location', '$scope',
        function MainCtrl($route, $routeParams, $location, $scope) {
            this.$route = $route;
            this.$location = $location;
            this.$routeParams = $routeParams;
        }])
    .controller('POCtrl', ['$routeParams', '$scope', function POCtrl($routeParams, $scope) {
        this.name = 'POCtrl';
        this.params = $routeParams;
        $scope.LocationName = '';
        $scope.LocationGroup = '';
        $.getScript('./PO/PO.js');
    }])
    .controller('POPlanCtrl', ['$routeParams', '$scope', function POPlanCtrl($routeParams, $scope) {
        this.name = 'POPlanCtrl';
        this.params = $routeParams;
        $scope.LocationName = '';
        $scope.LocationGroup = '';
        $.getScript('./POPlan/POPlan.js');
    }])
    .controller('ReceiveDrugFromPOCtrl', ['$routeParams', '$scope', function ReceiveDrugFromPOCtrl($routeParams, $scope) {
        this.name = 'ReceiveDrugFromPOCtrl';
        this.params = $routeParams;
        $scope.LocationName = '';
        $scope.LocationGroup = '';
        $.getScript('./ReceiveDrugFromPO/ReceiveDrugFromPO.js');
    }])
    .controller('ReceiveDrugFromOtherCtrl', ['$routeParams', '$scope', function ReceiveDrugFromOtherCtrl($routeParams, $scope) {
        this.name = 'ReceiveDrugFromOtherCtrl';
        this.params = $routeParams;
        $scope.LocationName = '';
        $scope.LocationGroup = '';
        $.getScript('./ReceiveDrugFromOther/ReceiveDrugFromOther.js');
    }]);
})(window.angular);

            dt.AsEnumerable().ToList().ForEach(Sub(r)
                                                   Dim factor As Integer = If(IsDBNull(r.Item("PACK_RATIO")), 1, If(CInt(r.Item("PACK_RATIO")) = 0, 1, r.Item("PACK_RATIO")))
                                                   Dim r1y As Double = CDbl(If(IsDBNull(r.Item("RATE_1_YEAR")), 0.0, r.Item("RATE_1_YEAR")))
                                                   lst.Add(New With {
                                                                     .WORKING_CODE = CStr(RepairDBNullValue(r.Item("WORKING_CODE"))),
                                                                     .DRUG_NAME = CStr(RepairDBNullValue(r.Item("DRUG_NAME"))),
                                                                     .P_UNIT_COST = CDbl(RepairDBNullValue(r.Item("P_UNIT_COST"))),
                                                                     .SALE_UNIT = CStr(RepairDBNullValue(r.Item("SALE_UNIT"))),
                                                                     .PACK_RATIO = factor,
                                                                     .UsedPrevYear = r1y / factor,
                                                                     .P1 = CDbl(RepairDBNullValue(r.Item("BD_1_P_Q"))),
                                                                     .P2 = CDbl(RepairDBNullValue(r.Item("BD_2_P_Q"))),
                                                                     .P3 = CDbl(RepairDBNullValue(r.Item("BD_3_P_Q"))),
                                                                     .P4 = CDbl(RepairDBNullValue(r.Item("BD_4_P_Q"))),
                                                                     .TP = CDbl(RepairDBNullValue(r.Item(xBUY"))),
                                                                     .VP = .TP * .P_UNIT_COST
                                                                    })
                                               End Sub)
            Return Ok(New With {
                                 .xyz = lst,
                                 .error = "หอยจ๋าหำลาก่อน",
                                 .recordsTotal = rowNumTotal,
                                 .recordsFiltered = rowNumFilter
                                 })