Format De thi

QuizMaster/.vs/QuizMaster/v17/DocumentLayout.json

@@ -6,53 +6,25 @@
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+    {
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+      "RelativeMoniker": "D:0:0:{582DBFA6-720D-44B4-B48C-909F4DD98783}|QuizMaster.csproj|solutionrelative:form1.designer.cs||{A6C744A8-0E4A-4FC6-886A-064283054674}"
+    },
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+      "AbsoluteMoniker": "D:0:0:{582DBFA6-720D-44B4-B48C-909F4DD98783}|QuizMaster.csproj|e:\\quizmaster\\quizmaster\\service\\datautil.cs||{A6C744A8-0E4A-4FC6-886A-064283054674}",
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+      "RelativeMoniker": "D:0:0:{582DBFA6-720D-44B4-B48C-909F4DD98783}|QuizMaster.csproj|solutionrelative:service\\datautil.cs||{A6C744A8-0E4A-4FC6-886A-064283054674}"
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-    },
-    {
-      "AbsoluteMoniker": "D:0:0:{582DBFA6-720D-44B4-B48C-909F4DD98783}|QuizMaster.csproj|e:\\quizmaster\\quizmaster\\service\\excelvalidator.cs||{A6C744A8-0E4A-4FC6-886A-064283054674}",
-      "RelativeMoniker": "D:0:0:{582DBFA6-720D-44B4-B48C-909F4DD98783}|QuizMaster.csproj|solutionrelative:service\\excelvalidator.cs||{A6C744A8-0E4A-4FC6-886A-064283054674}"
-    },
-    {
-      "AbsoluteMoniker": "D:0:0:{582DBFA6-720D-44B4-B48C-909F4DD98783}|QuizMaster.csproj|e:\\quizmaster\\quizmaster\\service\\executeexcelservice.cs||{A6C744A8-0E4A-4FC6-886A-064283054674}",
-      "RelativeMoniker": "D:0:0:{582DBFA6-720D-44B4-B48C-909F4DD98783}|QuizMaster.csproj|solutionrelative:service\\executeexcelservice.cs||{A6C744A8-0E4A-4FC6-886A-064283054674}"
     }
   ],
   "DocumentGroupContainers": [
@@ -72,7 +44,7 @@
               "RelativeDocumentMoniker": "Form1.cs",
               "ToolTip": "E:\\QuizMaster\\QuizMaster\\Form1.cs",
               "RelativeToolTip": "Form1.cs",
-              "ViewState": "AQIAAMcDAAAAAAAAAAAQwNkDAAAAAAAA",
+              "ViewState": "AQIAAKoDAAAAAAAAAAAuwLMDAAAzAAAA",
               "Icon": "ae27a6b0-e345-4288-96df-5eaf394ee369.000738|",
               "WhenOpened": "2025-05-26T01:54:54.164Z",
               "IsPinned": true,
@@ -80,13 +52,13 @@
             },
             {
               "$type": "Document",
-              "DocumentIndex": 5,
+              "DocumentIndex": 1,
               "Title": "Form2.cs",
               "DocumentMoniker": "E:\\QuizMaster\\QuizMaster\\Form2.cs",
               "RelativeDocumentMoniker": "Form2.cs",
               "ToolTip": "E:\\QuizMaster\\QuizMaster\\Form2.cs",
               "RelativeToolTip": "Form2.cs",
-              "ViewState": "AQIAABMAAAAAAAAAAAAQwBEAAAAlAAAA",
+              "ViewState": "AQIAADoAAAAAAAAAAAAkwFwAAABOAAAA",
               "Icon": "ae27a6b0-e345-4288-96df-5eaf394ee369.000738|",
               "WhenOpened": "2025-10-02T06:28:48.666Z",
               "IsPinned": true
@@ -109,134 +81,51 @@
             },
             {
               "$type": "Document",
-              "DocumentIndex": 1,
+              "DocumentIndex": 5,
-              "Title": "Form1.cs [Design]",
-              "DocumentMoniker": "E:\\QuizMaster\\QuizMaster\\Form1.cs",
-              "RelativeDocumentMoniker": "Form1.cs",
-              "ToolTip": "E:\\QuizMaster\\QuizMaster\\Form1.cs [Design]",
-              "RelativeToolTip": "Form1.cs [Design]",
-              "Icon": "ae27a6b0-e345-4288-96df-5eaf394ee369.000738|",
-              "WhenOpened": "2025-10-03T07:36:07.359Z"
-            },
-            {
-              "$type": "Document",
-              "DocumentIndex": 6,
               "Title": "DataUtil.cs",
               "DocumentMoniker": "E:\\QuizMaster\\QuizMaster\\Service\\DataUtil.cs",
               "RelativeDocumentMoniker": "Service\\DataUtil.cs",
               "ToolTip": "E:\\QuizMaster\\QuizMaster\\Service\\DataUtil.cs",
               "RelativeToolTip": "Service\\DataUtil.cs",
-              "ViewState": "AQIAABwAAAAAAAAAAAAQwBAAAAAgAAAA",
+              "ViewState": "AQIAAC4BAAAAAAAAAAAAAEABAAAAAAAA",
               "Icon": "ae27a6b0-e345-4288-96df-5eaf394ee369.000738|",
               "WhenOpened": "2025-05-29T01:45:12.308Z"
             },
-            {
-              "$type": "Document",
-              "DocumentIndex": 4,
-              "Title": "Question.cs",
-              "DocumentMoniker": "E:\\QuizMaster\\QuizMaster\\Response\\Question.cs",
-              "RelativeDocumentMoniker": "Response\\Question.cs",
-              "ToolTip": "E:\\QuizMaster\\QuizMaster\\Response\\Question.cs",
-              "RelativeToolTip": "Response\\Question.cs",
-              "ViewState": "AQIAAA4AAAAAAAAAAAAAwA0AAAAjAAAA",
-              "Icon": "ae27a6b0-e345-4288-96df-5eaf394ee369.000738|",
-              "WhenOpened": "2025-10-01T08:27:57.656Z"
-            },
             {
               "$type": "Document",
               "DocumentIndex": 3,
-              "Title": "QuestionOption.cs",
-              "DocumentMoniker": "E:\\QuizMaster\\QuizMaster\\Response\\QuestionOption.cs",
-              "RelativeDocumentMoniker": "Response\\QuestionOption.cs",
-              "ToolTip": "E:\\QuizMaster\\QuizMaster\\Response\\QuestionOption.cs",
-              "RelativeToolTip": "Response\\QuestionOption.cs",
-              "ViewState": "AQIAAAAAAAAAAAAAAAAAAAoAAAAAAAAA",
-              "Icon": "ae27a6b0-e345-4288-96df-5eaf394ee369.000738|",
-              "WhenOpened": "2025-07-02T07:59:06.439Z"
-            },
-            {
-              "$type": "Document",
-              "DocumentIndex": 2,
               "Title": "Form1.Designer.cs",
               "DocumentMoniker": "E:\\QuizMaster\\QuizMaster\\Form1.Designer.cs",
               "RelativeDocumentMoniker": "Form1.Designer.cs",
               "ToolTip": "E:\\QuizMaster\\QuizMaster\\Form1.Designer.cs",
               "RelativeToolTip": "Form1.Designer.cs",
-              "ViewState": "AQIAAGkAAAAAAAAAAAAEwHUAAAAzAAAA",
+              "ViewState": "AQIAAFEAAAAAAAAAAAArwGMAAAAqAAAA",
               "Icon": "ae27a6b0-e345-4288-96df-5eaf394ee369.000738|",
               "WhenOpened": "2025-09-30T04:14:48.709Z"
             },
             {
               "$type": "Document",
-              "DocumentIndex": 7,
+              "DocumentIndex": 2,
               "Title": "Form2.Designer.cs",
               "DocumentMoniker": "E:\\QuizMaster\\QuizMaster\\Form2.Designer.cs",
               "RelativeDocumentMoniker": "Form2.Designer.cs",
               "ToolTip": "E:\\QuizMaster\\QuizMaster\\Form2.Designer.cs",
               "RelativeToolTip": "Form2.Designer.cs",
-              "ViewState": "AQIAABAAAAAAAAAAAAAjwBwAAAAoAAAA",
+              "ViewState": "AQIAACAAAAAAAAAAAAArwDYAAAArAAAA",
               "Icon": "ae27a6b0-e345-4288-96df-5eaf394ee369.000738|",
               "WhenOpened": "2025-10-02T06:23:49.946Z"
             },
             {
               "$type": "Document",
-              "DocumentIndex": 8,
+              "DocumentIndex": 4,
               "Title": "DbHelper.cs",
               "DocumentMoniker": "E:\\QuizMaster\\QuizMaster\\DbHelper.cs",
               "RelativeDocumentMoniker": "DbHelper.cs",
               "ToolTip": "E:\\QuizMaster\\QuizMaster\\DbHelper.cs",
               "RelativeToolTip": "DbHelper.cs",
-              "ViewState": "AQIAAAAAAAAAAAAAAAAAACAAAAAAAAAA",
+              "ViewState": "AQIAADAAAAAAAAAAAAAYwBIAAAAPAAAA",
               "Icon": "ae27a6b0-e345-4288-96df-5eaf394ee369.000738|",
               "WhenOpened": "2025-05-26T01:35:21.294Z"
-            },
-            {
-              "$type": "Document",
-              "DocumentIndex": 9,
-              "Title": "CategoryInfo.cs",
-              "DocumentMoniker": "E:\\QuizMaster\\QuizMaster\\Response\\CategoryInfo.cs",
-              "RelativeDocumentMoniker": "Response\\CategoryInfo.cs",
-              "ToolTip": "E:\\QuizMaster\\QuizMaster\\Response\\CategoryInfo.cs",
-              "RelativeToolTip": "Response\\CategoryInfo.cs",
-              "ViewState": "AQIAAAAAAAAAAAAAAAAAAAQAAAAyAAAA",
-              "Icon": "ae27a6b0-e345-4288-96df-5eaf394ee369.000738|",
-              "WhenOpened": "2025-07-01T03:49:31.648Z"
-            },
-            {
-              "$type": "Document",
-              "DocumentIndex": 10,
-              "Title": "Program.cs",
-              "DocumentMoniker": "E:\\QuizMaster\\QuizMaster\\Program.cs",
-              "RelativeDocumentMoniker": "Program.cs",
-              "ToolTip": "E:\\QuizMaster\\QuizMaster\\Program.cs",
-              "RelativeToolTip": "Program.cs",
-              "ViewState": "AQIAAAAAAAAAAAAAAAAAABAAAAAlAAAA",
-              "Icon": "ae27a6b0-e345-4288-96df-5eaf394ee369.000738|",
-              "WhenOpened": "2025-10-01T06:36:20.125Z"
-            },
-            {
-              "$type": "Document",
-              "DocumentIndex": 11,
-              "Title": "ExcelValidator.cs",
-              "DocumentMoniker": "E:\\QuizMaster\\QuizMaster\\Service\\ExcelValidator.cs",
-              "RelativeDocumentMoniker": "Service\\ExcelValidator.cs",
-              "ToolTip": "E:\\QuizMaster\\QuizMaster\\Service\\ExcelValidator.cs",
-              "RelativeToolTip": "Service\\ExcelValidator.cs",
-              "ViewState": "AQIAAAAAAAAAAAAAAAAAABYAAAA6AAAA",
-              "Icon": "ae27a6b0-e345-4288-96df-5eaf394ee369.000738|",
-              "WhenOpened": "2025-05-28T09:23:05.48Z"
-            },
-            {
-              "$type": "Document",
-              "DocumentIndex": 12,
-              "Title": "ExecuteExcelService.cs",
-              "DocumentMoniker": "E:\\QuizMaster\\QuizMaster\\Service\\ExecuteExcelService.cs",
-              "RelativeDocumentMoniker": "Service\\ExecuteExcelService.cs",
-              "ToolTip": "E:\\QuizMaster\\QuizMaster\\Service\\ExecuteExcelService.cs",
-              "RelativeToolTip": "Service\\ExecuteExcelService.cs",
-              "ViewState": "AQIAAAAAAAAAAAAAAAAAAB8AAAA8AAAA",
-              "Icon": "ae27a6b0-e345-4288-96df-5eaf394ee369.000738|",
-              "WhenOpened": "2025-05-28T07:42:59.847Z"
             }
           ]
         }

QuizMaster/Form1.Designer.cs

@@ -70,20 +70,20 @@
             tabPage1.TabIndex = 0;
             tabPage1.Text = "Tải lên bộ câu hỏi";
             tabPage1.UseVisualStyleBackColor = true;
-            tabPage1.Click += tabPage1_Click;
             // 
             // textBox1
             // 
             textBox1.Location = new Point(193, 92);
             textBox1.Name = "textBox1";
+            textBox1.ReadOnly = true;
             textBox1.Size = new Size(273, 31);
             textBox1.TabIndex = 7;
             // 
             // btnUpload
             // 
-            btnUpload.Location = new Point(557, 90);
+            btnUpload.Location = new Point(579, 92);
             btnUpload.Name = "btnUpload";
-            btnUpload.Size = new Size(112, 34);
+            btnUpload.Size = new Size(112, 32);
             btnUpload.TabIndex = 8;
             btnUpload.Text = "Upload";
             btnUpload.UseVisualStyleBackColor = true;
@@ -91,11 +91,11 @@
             // 
             // BtnOpen
             // 
-            BtnOpen.Location = new Point(459, 92);
+            BtnOpen.Location = new Point(461, 92);
             BtnOpen.Name = "BtnOpen";
-            BtnOpen.Size = new Size(92, 32);
+            BtnOpen.Size = new Size(112, 32);
             BtnOpen.TabIndex = 6;
-            BtnOpen.Text = "open";
+            BtnOpen.Text = "Choose File";
             BtnOpen.UseVisualStyleBackColor = true;
             BtnOpen.Click += btnOpen_Click;
             // 

QuizMaster/Form1.cs

@@ -43,6 +43,19 @@ namespace QuizMaster
         public static int spacing = 40; // Khoảng cách giữa các ComboBox
         public static int pointX = 19;
 
+        private static readonly Random Rng = new Random();
+
+        private static List<T> Shuffle<T>(IEnumerable<T> source)
+        {
+            var list = source.ToList();
+            for (int i = list.Count - 1; i > 0; i--)
+            {
+                int j = Rng.Next(i + 1);
+                (list[i], list[j]) = (list[j], list[i]);
+            }
+            return list;
+        }
+
         //Nút Download
         private void button1_Click(object sender, EventArgs e)
         {
@@ -195,7 +208,6 @@ namespace QuizMaster
                     tb.Visible = false;
                 }
             }
-
             // ==============================================
             isUpdating = false; // Kết thúc cập nhật
         }
@@ -623,13 +635,17 @@ namespace QuizMaster
                     this.Cursor = Cursors.Default;
                 }
             }
-
         }
 
         private async Task GenerateSingleQuiz(Dictionary<string, string> lstCategory)
         {
+            string randomCode = Rng.Next(100, 999).ToString();
+            
             int number = 1;
             StringBuilder result = new StringBuilder();
+            
+            result.AppendLine($"Mã đề: {randomCode}");
+            result.AppendLine();
 
             foreach (var category in lstCategory)
             {
@@ -643,11 +659,11 @@ namespace QuizMaster
                     {
                         QuestionId = group.Key.QuestionId,
                         Question = group.Key.Question,
-                        Options = group.Select(o => new
+                        Options = Shuffle(group.Select(o => new
                         {
                             Text = o.Option,
                             IsCorrect = o.IsCorrect == 1
-                        }).ToList()
+                        }))
                     })
                     .OrderBy(g => Guid.NewGuid())
                     .Take(requestedCount)
@@ -672,9 +688,9 @@ namespace QuizMaster
                 }
                 result.AppendLine();
             }
-
-            // Hiển thị kết quả
             Form2 frm = new Form2(result.ToString());
+            frm.MaDe = randomCode;
+            frm.Text = "ĐỀ TRẮC NHIỆM";
             frm.ShowDialog();
         }
 
@@ -684,18 +700,22 @@ namespace QuizMaster
             {
                 this.Cursor = Cursors.WaitCursor;
 
+                // Tạo mã đề ngẫu nhiên (cùng cho cả 2 form)
+                string randomCode = Rng.Next(100, 999).ToString();
+
                 // Tạo cùng 1 bộ câu hỏi cho cả 2 form
                 var questionsData = await GenerateQuestionsData(lstCategory);
 
                 // Tạo nội dung không có đáp án
-                string contentWithoutAnswers = CreateQuizContent(questionsData, false);
+                string contentWithoutAnswers = CreateQuizContent(questionsData, false, randomCode);
 
                 // Tạo nội dung có đáp án
-                string contentWithAnswers = CreateQuizContent(questionsData, true);
+                string contentWithAnswers = CreateQuizContent(questionsData, true, randomCode);
 
-                // Mở 2 Form2
                 Form2 frmWithoutAnswers = new Form2(contentWithoutAnswers);
                 Form2 frmWithAnswers = new Form2(contentWithAnswers);
+                frmWithoutAnswers.MaDe = randomCode;
+                frmWithAnswers.MaDe = randomCode;
 
                 frmWithoutAnswers.Text = "ĐỀ TRẮC NGHIỆM";
                 frmWithAnswers.Text = "ĐỀ TRẮC NGHIỆM (CÓ ĐÁP ÁN)";
@@ -730,11 +750,11 @@ namespace QuizMaster
                     {
                         QuestionId = group.Key.QuestionId,
                         Question = group.Key.Question,
-                        Options = group.Select(o => new
+                        Options = Shuffle(group.Select(o => new
                         {
                             Text = o.Option,
                             IsCorrect = o.IsCorrect == 1
-                        }).ToList()
+                        }))
                     })
                     .OrderBy(g => Guid.NewGuid())
                     .Take(requestedCount)
@@ -742,13 +762,16 @@ namespace QuizMaster
 
                 allQuestions.AddRange(grouped.Cast<dynamic>());
             }
-
             return allQuestions;
         }
 
-        private string CreateQuizContent(List<dynamic> questionsData, bool includeAnswers)
+        private string CreateQuizContent(List<dynamic> questionsData, bool includeAnswers, string randomCode)
         {
             StringBuilder result = new StringBuilder();
+            
+            result.AppendLine($"Mã đề: {randomCode}");
+            result.AppendLine();
+            
             int questionNumber = 1;
 
             foreach (dynamic question in questionsData)
@@ -764,29 +787,22 @@ namespace QuizMaster
                     if (string.IsNullOrWhiteSpace(option.Text))
                         continue;
 
-                    result.AppendLine($"   {optionLabel}. {option.Text}");
-
                     if (includeAnswers && option.IsCorrect)
                     {
-                        correctAnswer = optionLabel.ToString();
+                        result.AppendLine($"   {optionLabel}.* {option.Text}");
+                    }
+                    else
+                    {
+                        result.AppendLine($"   {optionLabel}. {option.Text}");
                     }
                     optionLabel++;
                 }
-
-                // Thêm đáp án nếu cần
-                if (includeAnswers && !string.IsNullOrEmpty(correctAnswer))
-                {
-                    result.AppendLine($"   → Đáp án: {correctAnswer}");
-                }
-
                 result.AppendLine();
                 questionNumber++;
             }
-
             return result.ToString();
         }
 
-        //-----------------------------------------------------------------------------------------------------------------------------------//
         private async Task GenerateMultipleQuizzes(Dictionary<string, string> lstCategory, int numberOfCopies, bool includeAnswers)
         {
             using (FolderBrowserDialog folderDialog = new FolderBrowserDialog())
@@ -802,25 +818,26 @@ namespace QuizMaster
                         string timestamp = DateTime.Now.ToString("yyyyMMdd_HHmmss");
                         int filesCreated = 0;
 
-                        // Dictionary để lưu trữ câu hỏi đã được random cho mỗi copyIndex
                         var quizQuestionsCache = new Dictionary<int, Dictionary<string, List<dynamic>>>();
+                        var randomCodesCache = new Dictionary<int, string>();
 
-                        // Tạo các file không có đáp án và cache câu hỏi
                         for (int copyIndex = 1; copyIndex <= numberOfCopies; copyIndex++)
                         {
-                            string fileName = Path.Combine(basePath, $"DeThi_{copyIndex:D2}_{timestamp}.docx");
+                            string randomCode = Rng.Next(100, 999).ToString();
-                            var questionsCache = await CreateSingleQuizFileWithCache(fileName, lstCategory, copyIndex, false);
+                            randomCodesCache[copyIndex] = randomCode; // Lưu mã đề để tái sử dụng
+                            string fileName = Path.Combine(basePath, $"DeTracNghiem_{randomCode}_{timestamp}.docx");
+                            var questionsCache = await CreateSingleQuizFileWithCache(fileName, lstCategory, copyIndex, false, randomCode);
                             quizQuestionsCache[copyIndex] = questionsCache;
                             filesCreated++;
                         }
 
-                        // Tạo các file có đáp án nếu checkbox được tích, sử dụng cache
                         if (includeAnswers)
                         {
                             for (int copyIndex = 1; copyIndex <= numberOfCopies; copyIndex++)
                             {
-                                string fileName = Path.Combine(basePath, $"DeThi_{copyIndex:D2}_DapAn_{timestamp}.docx");
+                                string randomCode = randomCodesCache[copyIndex];
-                                await CreateSingleQuizFileFromCache(fileName, lstCategory, copyIndex, true, quizQuestionsCache[copyIndex]);
+                                string fileName = Path.Combine(basePath, $"DeTracNghiem_{randomCode}_DapAn_{timestamp}.docx");
+                                await CreateSingleQuizFileFromCache(fileName, lstCategory, copyIndex, true, quizQuestionsCache[copyIndex], randomCode);
                                 filesCreated++;
                             }
                         }
@@ -837,16 +854,28 @@ namespace QuizMaster
             }
         }
 
-        private async Task<Dictionary<string, List<dynamic>>> CreateSingleQuizFileWithCache(string fileName, Dictionary<string, string> lstCategory, int copyIndex, bool includeAnswers)
+        private async Task<Dictionary<string, List<dynamic>>> CreateSingleQuizFileWithCache(string fileName, Dictionary<string, string> lstCategory, int copyIndex, bool includeAnswers, string randomCode)
         {
             var questionsCache = new Dictionary<string, List<dynamic>>();
 
             using (var doc = DocX.Create(fileName))
             {
-                // Tiêu đề đề thi
+                string title = "ĐỀ TRẮC NGHIỆM";
-                string title = $"ĐỀ SỐ {copyIndex}";
                 var titleParagraph = doc.InsertParagraph(title);
                 titleParagraph.FontSize(16).Bold().Alignment = Alignment.center;
+                
+                var codeParagraph = doc.InsertParagraph($"Mã đề: {randomCode}");
+                codeParagraph.FontSize(14).Bold().Alignment = Alignment.center;
+
+                string hoTen = "Họ và tên: " + new string('.', 106) ;
+                string sdt = "Số điện thoại: " + new string('.', 100);
+                string email = "Email: " + new string('.', 113);
+
+                doc.InsertParagraph(hoTen).FontSize(12).SpacingBefore(10);
+                doc.InsertParagraph(sdt).FontSize(12).SpacingBefore(6);
+                doc.InsertParagraph(email).FontSize(12).SpacingBefore(6).SpacingAfter(18);
+
+                doc.InsertParagraph(new string('_', 75)).Bold().SpacingAfter(6).Alignment = Alignment.center;
                 doc.InsertParagraph(Environment.NewLine);
 
                 int questionNumber = 1;
@@ -864,17 +893,16 @@ namespace QuizMaster
                         {
                             QuestionId = group.Key.QuestionId,
                             Question = group.Key.Question,
-                            Options = group.Select(o => new
+                            Options = Shuffle(group.Select(o => new
                             {
                                 Text = o.Option,
                                 IsCorrect = o.IsCorrect == 1
-                            }).ToList()
+                            }))
                         })
                         .OrderBy(g => Guid.NewGuid())
                         .Take(requestedCount)
                         .ToList();
 
-                    // Cache câu hỏi để tái sử dụng
                     questionsCache[categoryName] = grouped.Cast<dynamic>().ToList();
 
                     // Tạo câu hỏi
@@ -882,8 +910,8 @@ namespace QuizMaster
                     {
                         var questionParagraph = doc.InsertParagraph($"Câu {questionNumber}: {question.Question}");
                         questionParagraph.FontSize(12).Bold();
+                        questionParagraph.SpacingAfter(12); 
 
-                        // Tạo các lựa chọn
                         char optionLabel = 'A';
                         string correctAnswer = "";
 
@@ -892,8 +920,14 @@ namespace QuizMaster
                             if (string.IsNullOrWhiteSpace(option.Text))
                                 continue;
 
-                            var optionParagraph = doc.InsertParagraph($"   {optionLabel}. {option.Text}");
+                            var optionParagraph = doc.InsertParagraph();
+                            string label = $"{optionLabel}.";
+                            string text = " " + option.Text;
+
+                            optionParagraph.Append(label).Bold(); 
+                            optionParagraph.Append(text);         
                             optionParagraph.FontSize(11);
+                            optionParagraph.SpacingAfter(6);
 
                             optionLabel++;
                         }
@@ -902,21 +936,26 @@ namespace QuizMaster
                         questionNumber++;
                     }
                 }
+                string end = new string('_', 20) + " Hết" + new string('_', 20);
+                doc.InsertParagraph(end).FontSize(12).Bold().SpacingAfter(6).SpacingBefore(18).Alignment = Alignment.center;
                 doc.Save();
             }
             return questionsCache;
         }
 
-        private async Task CreateSingleQuizFileFromCache(string fileName, Dictionary<string, string> lstCategory, int copyIndex, bool includeAnswers, Dictionary<string, List<dynamic>> questionsCache)
+        private async Task CreateSingleQuizFileFromCache(string fileName, Dictionary<string, string> lstCategory, int copyIndex, bool includeAnswers, Dictionary<string, List<dynamic>> questionsCache, string randomCode)
         {
             using (var doc = DocX.Create(fileName))
             {
-                // Tiêu đề đề thi
+                string title = "ĐỀ TRẮC NGHIỆM (CÓ ĐÁP ÁN)";
-                string title = $"ĐỀ SỐ {copyIndex} (CÓ ĐÁP ÁN)";
                 var titleParagraph = doc.InsertParagraph(title);
                 titleParagraph.FontSize(16).Bold().Alignment = Alignment.center;
-                doc.InsertParagraph(Environment.NewLine);
+                
+                var codeParagraph = doc.InsertParagraph($"Mã đề: {randomCode}");
+                codeParagraph.FontSize(14).Bold().Alignment = Alignment.center;
 
+                doc.InsertParagraph(new string('_', 75)).Bold().SpacingBefore(6).SpacingAfter(6).Alignment = Alignment.center;
+                doc.InsertParagraph(Environment.NewLine);
                 int questionNumber = 1;
 
                 foreach (var category in lstCategory)
@@ -931,6 +970,7 @@ namespace QuizMaster
                     {
                         var questionParagraph = doc.InsertParagraph($"Câu {questionNumber}: {question.Question}");
                         questionParagraph.FontSize(12).Bold();
+                        questionParagraph.SpacingAfter(12);
 
                         // Tạo các lựa chọn
                         char optionLabel = 'A';
@@ -941,19 +981,26 @@ namespace QuizMaster
                             if (string.IsNullOrWhiteSpace(option.Text))
                                 continue;
 
-                            var optionParagraph = doc.InsertParagraph($"   {optionLabel}. {option.Text}");
+                            // Nếu đáp án đúng, thêm dấu * sau nhãn
-                            optionParagraph.FontSize(11);
+                            string displayLabel = option.IsCorrect ? $"{optionLabel}.*" : $"{optionLabel}.";
+
+                            var optionParagraph = doc.InsertParagraph();
+                            string label = displayLabel;  
+                            string text = " " + option.Text;
+
+                            optionParagraph.Append(label).Bold(); 
+                            optionParagraph.Append(text);          
+                            optionParagraph.FontSize(11);
+                            optionParagraph.SpacingAfter(6);
 
-                            if (option.IsCorrect)
-                            {
-                                optionParagraph.FontSize(11).Color(Xceed.Drawing.Color.Red).Bold();
-                            }
                             optionLabel++;
                         }
                         doc.InsertParagraph(Environment.NewLine);
                         questionNumber++;
                     }
                 }
+                string end = new string('_', 20) + " Hết" + new string('_', 20);
+                doc.InsertParagraph(end).FontSize(12).Bold().SpacingAfter(6).SpacingBefore(18).Alignment = Alignment.center;
                 doc.Save();
             }
         }
@@ -976,10 +1023,5 @@ namespace QuizMaster
             txtNumberOfCopies.Visible = false;
             chkIncludeAnswers.Visible = false;
         }
-
-        private void tabPage1_Click(object sender, EventArgs e)
-        {
-
-        }
     }
 }

QuizMaster/Form2.Designer.cs

@@ -37,7 +37,7 @@
             this.txtResult.Size = new System.Drawing.Size(800, 450);
             this.txtResult.TabIndex = 0;
             //
-            //
+            //btnExoortWord
             //
             this.btnExportWord.Dock = System.Windows.Forms.DockStyle.Bottom;
             this.btnExportWord.Height = 40;

QuizMaster/Form2.cs

@@ -10,12 +10,14 @@ namespace QuizMaster
     public partial class Form2 : Form
     {
         private string _content;
+        public string MaDe { get; set; }
 
         public Form2(string content)
         {
             InitializeComponent();
             _content = content;
             txtResult.Text = content;
+
         }
 
         private void btnExportWord_Click(object sender, EventArgs e)
@@ -25,8 +27,7 @@ namespace QuizMaster
                 saveDialog.Filter = "Word Document|*.docx";
                 string timestamp = DateTime.Now.ToString("yyyyMMdd_HHmmss");
 
-                // Tạo tên file dựa trên title để tránh trùng lặp
+                string defaultFileName = this.Text.Contains("CÓ ĐÁP ÁN") ? $"DeTracNhiem_{MaDe}_DapAn_{timestamp}.docx": $"DeTracNhiem_{MaDe}_{timestamp}.docx";
-                string defaultFileName = this.Text.Contains("CÓ ĐÁP ÁN") ? $"DeCoDapAn_{timestamp}.docx": $"DeKhongDapAn_{timestamp}.docx";
                 saveDialog.FileName = defaultFileName;
 
                 if (saveDialog.ShowDialog() == DialogResult.OK)
@@ -36,9 +37,7 @@ namespace QuizMaster
                         using (var doc = DocX.Create(saveDialog.FileName))
                         {
                             doc.InsertParagraph(this.Text)
-                                .FontSize(14).Bold().Alignment = Alignment.center;
+                                .FontSize(16).Bold().Alignment = Alignment.center;
-
-                            doc.InsertParagraph(Environment.NewLine);
                             
                             ExportContentWithFormatting(doc, _content);
 
@@ -58,25 +57,72 @@ namespace QuizMaster
         private void ExportContentWithFormatting(DocX doc, string content)
         {
             string[] lines = content.Split('\n');
-            
+
             foreach (string line in lines)
             {
-                if (string.IsNullOrWhiteSpace(line))
+                string trimmedLine = line.Trim();
+
+                if (string.IsNullOrEmpty(trimmedLine))
                 {
-                    doc.InsertParagraph(Environment.NewLine);
+                    doc.InsertParagraph();
                     continue;
                 }
-                
+
-                if (line.Trim().StartsWith("Câu ") && line.Contains(":"))
+                Paragraph paragraph;
+
+                if (trimmedLine.StartsWith("Câu ") && trimmedLine.Contains(":"))
                 {
-                    var paragraph = doc.InsertParagraph(line);
+                    paragraph = doc.InsertParagraph(trimmedLine);
                     paragraph.FontSize(12).Bold();
+                    paragraph.SpacingAfter(12); 
+                }
+                else if (trimmedLine.StartsWith("Mã đề:"))
+                {
+                    if (this.Text.Contains("CÓ ĐÁP ÁN")) 
+                    {
+                        var codeParagraph = doc.InsertParagraph($"Mã đề: {MaDe}");
+                        codeParagraph.FontSize(14).Bold().Alignment = Alignment.center;
+                        doc.InsertParagraph(new string('_', 75)).Bold().SpacingBefore(6).SpacingAfter(6).Alignment = Alignment.center;
+                    }
+                    else
+                    {
+                        var codeParagraph = doc.InsertParagraph($"Mã đề: {MaDe}");
+                        codeParagraph.FontSize(14).Bold().Alignment = Alignment.center;
+
+                        string hoTen = "Họ và tên: " + new string('.', 106);
+                        string sdt = "Số điện thoại: " + new string('.', 100);
+                        string email = "Email: " + new string('.', 113);
+
+                        doc.InsertParagraph(hoTen).FontSize(12).SpacingBefore(10);
+                        doc.InsertParagraph(sdt).FontSize(12).SpacingBefore(6);
+                        doc.InsertParagraph(email).FontSize(12).SpacingBefore(6).SpacingAfter(18);
+                        doc.InsertParagraph(new string('_', 75)).Bold().SpacingAfter(6).Alignment = Alignment.center;
+                    }
+                    
+                }
+                else if (trimmedLine.Length > 2 && trimmedLine[1] == '.')
+                {
+                    paragraph = doc.InsertParagraph();
+
+                    
+                    string label = trimmedLine.Substring(0, 2); 
+                    string text = trimmedLine.Substring(2).Trim(); 
+
+                    paragraph.Append(label).Bold(); 
+                    paragraph.Append(" " + text);
+                    paragraph.FontSize(11);
+                    paragraph.SpacingAfter(6);
                 }
                 else
                 {
-                    doc.InsertParagraph(line).FontSize(12);
+                    paragraph = doc.InsertParagraph(trimmedLine);
+                    paragraph.FontSize(11);
                 }
+
             }
+            string end = new string('_', 20) + " Hết" + new string('_', 20);
+            doc.InsertParagraph(end).Bold().FontSize(12).SpacingAfter(6).SpacingBefore(18).Alignment = Alignment.center;
         }
+
     }
 }