diff --git a/400-SOURCECODE/AIAHTML5.Web/app/controllers/LabExercController.js b/400-SOURCECODE/AIAHTML5.Web/app/controllers/LabExercController.js
index 832db53..586558f 100644
--- a/400-SOURCECODE/AIAHTML5.Web/app/controllers/LabExercController.js
+++ b/400-SOURCECODE/AIAHTML5.Web/app/controllers/LabExercController.js
@@ -1202,7 +1202,7 @@ function ($scope, $rootScope, pages, log, $http, $timeout, DataService, $filter,
         }
         //if this exists in LabExerciseUserData, show the new opted  else show from database
         var isFromDB = false;
-        if (thisQuestiondataInLabExerciseUserData.length > 0) {
+        if (thisQuestiondataInLabExerciseUserData!=undefined && thisQuestiondataInLabExerciseUserData.length > 0) {
 
 
             lastQuestionDetails = thisQuestiondataInLabExerciseUserData;
@@ -1270,56 +1270,57 @@ function ($scope, $rootScope, pages, log, $http, $timeout, DataService, $filter,
                      .from($scope.LabExData.LabExercise[0].Questions)
                           .where('Number == ' + lastQuestion)
                           .select();
-
-            angular.forEach($scope.QustionAnsKeyValue, function (value, key) {
-                var questionOptionBox = new jinqJs()
-                                       .from(labQuestionData[0].OptionBox)
-                                       .where('BoxName == ' + value.blockbox)
-                                       .select();
-                if (value.text != "") {
-
-                    var OptionList = new jinqJs()
-                                     .from(labQuestionData[0].Options)
-                                     .where('OptionTitle == ' + value.text)
-                                     .select();
-
-                 
-                    var blockId = 'block-' + OptionList[0].OptionNumber;
-                    if (OptionList != undefined && OptionList.length > 1 && blockIds.indexOf(blockId) != -1) {
-                        blockId = 'block-' + OptionList[1].OptionNumber;
-                    }
-                    blockIds.push(blockId);
-                    console.log($scope.draggedIDArray);
-                    $scope.DraggedList.push({ "DraggedAttr": blockId, "blockID": blockId, "id": value.blockbox, "optionName": value.blockbox, "Value": value.text, "topcoord": questionOptionBox[0].topcoord, "leftcoord": questionOptionBox[0].leftcoord });
+            if ($scope.QustionAnsKeyValue != undefined) {
+                angular.forEach($scope.QustionAnsKeyValue, function (value, key) {
+                    var questionOptionBox = new jinqJs()
+                                           .from(labQuestionData[0].OptionBox)
+                                           .where('BoxName == ' + value.blockbox)
+                                           .select();
+                    if (value.text != "") {
+
+                        var OptionList = new jinqJs()
+                                         .from(labQuestionData[0].Options)
+                                         .where('OptionTitle == ' + value.text)
+                                         .select();
+
+
+                        var blockId = 'block-' + OptionList[0].OptionNumber;
+                        if (OptionList != undefined && OptionList.length > 1 && blockIds.indexOf(blockId) != -1) {
+                            blockId = 'block-' + OptionList[1].OptionNumber;
+                        }
+                        blockIds.push(blockId);
+                        console.log($scope.draggedIDArray);
+                        $scope.DraggedList.push({ "DraggedAttr": blockId, "blockID": blockId, "id": value.blockbox, "optionName": value.blockbox, "Value": value.text, "topcoord": questionOptionBox[0].topcoord, "leftcoord": questionOptionBox[0].leftcoord });
 
 
-                    //  $scope.DraggedList.push({ "id": value.blockbox, "optionName": value.blockbox, "Value": value.text, "topcoord": questionOptionBox[0].topcoord, "leftcoord": questionOptionBox[0].leftcoord });
+                        //  $scope.DraggedList.push({ "id": value.blockbox, "optionName": value.blockbox, "Value": value.text, "topcoord": questionOptionBox[0].topcoord, "leftcoord": questionOptionBox[0].leftcoord });
 
-                    $rootScope.isLoading = false;
-                    $('#spinner').css('visibility', 'hidden');
+                        $rootScope.isLoading = false;
+                        $('#spinner').css('visibility', 'hidden');
 
 
-                    $timeout(function () {
-                        if ($("#textblock").css("display") == "block") {
-                            $("#imgdiv").css("position", "static");
-                            $("#imgdiv").find("div").each(function () {
-                                var answerDiv = $(this).attr("id").split("-");
-                                if (answerDiv[0] == "blockans") {
-                                    var concatID = answerDiv[0] + "-" + answerDiv[1];
-                                    $("#" + concatID).css("width", "auto");
+                        $timeout(function () {
+                            if ($("#textblock").css("display") == "block") {
+                                $("#imgdiv").css("position", "static");
+                                $("#imgdiv").find("div").each(function () {
+                                    var answerDiv = $(this).attr("id").split("-");
+                                    if (answerDiv[0] == "blockans") {
+                                        var concatID = answerDiv[0] + "-" + answerDiv[1];
+                                        $("#" + concatID).css("width", "auto");
+                                    }
+                                });
+                                for (var i = 0; i <= $scope.DraggedList.length - 1; i++) {
+                                    $('#blockbox-' + $scope.DraggedList[i].optionName).attr("dropdattr", "blockans-" + $scope.DraggedList[i].optionName + "")
                                 }
-                            });
-                            for (var i = 0; i <= $scope.DraggedList.length - 1; i++) {
-                                $('#blockbox-' + $scope.DraggedList[i].optionName).attr("dropdattr", "blockans-"+$scope.DraggedList[i].optionName+"")
                             }
-                        }
-                        else {
-                            $("#imgdiv").css("position", "relative");
-                        }
-                    }, 350);
-                }
+                            else {
+                                $("#imgdiv").css("position", "relative");
+                            }
+                        }, 350);
+                    }
 
-            })
+                })
+            }
         }
         $rootScope.isLoading = false;
         $('#spinner').css('visibility', 'hidden');