页面修改

Edu.Module.Exam/PaperModule2.cs

@@ -68,23 +68,26 @@ namespace Edu.Module.Exam
                                     var oldAnswerList= Common.ConvertHelper.StringToFileList(sItem.Answer);
                                     var newAnswerList = Common.ConvertHelper.StringToFileList(answerModel.StundetAnswer);
                                     bool isExists = true;
-                                    foreach (var nItem in newAnswerList)
+                                    if (newAnswerList != null && newAnswerList.Count > 0)
                                     {
-                                        if (isExists)
+                                        foreach (var nItem in newAnswerList)
                                         {
-                                            if (!oldAnswerList.Contains(nItem))
+                                            if (isExists)
                                             {
-                                                isExists = false;
+                                                if (!oldAnswerList.Contains(nItem))
+                                                {
+                                                    isExists = false;
+                                                }
                                             }
                                         }
-                                    }
-                                    if (sItem.Answer == answerModel.StundetAnswer)
-                                    {
-                                        multScore = sItem.Score;
-                                    }
-                                    else if (isExists)
-                                    {
-                                        multScore = sItem.Score / 2;
+                                        if (sItem.Answer == answerModel.StundetAnswer)
+                                        {
+                                            multScore = sItem.Score;
+                                        }
+                                        else if (isExists)
+                                        {
+                                            multScore = sItem.Score / 2;
+                                        }
                                     }
                                     answerList.Add(new RB_Examination_StudentDetails_ViewModel()
                                     {