fix : export

Blazor/Blazor/Pages/Questions/Questions.razor

@@ -31,3 +31,6 @@
         </DisplayTemplate>
     </DataGridColumn>
 </DataGrid>
+
+
+<script src="Questions/Questions.razor.js"></script>

Blazor/Blazor/Pages/Questions/Questions.razor.cs

@@ -110,8 +110,7 @@ public partial class Questions
             }
         }
 
-        var sentFile = new MemoryStream(Encoding.UTF8.GetBytes(sb.ToString()));
+        var sentFile = new MemoryStream(Encoding.Unicode.GetBytes(sb.ToString()));
-
         using (var streamRef = new DotNetStreamReference(stream: sentFile))
         {
             await IJSRuntime.InvokeVoidAsync("downloadFileFromStream", "data.csv", streamRef);

Blazor/Blazor/Pages/Questions/Questions.razor.js

@@ -0,0 +1,11 @@
+window.downloadFileFromStream = async (fileName, contentStreamReference) => {
+    const arrayBuffer = await contentStreamReference.arrayBuffer();
+    const blob = new Blob([arrayBuffer]);
+    const url = URL.createObjectURL(blob);
+    const anchorElement = document.createElement('a');
+    anchorElement.href = url;
+    anchorElement.download = fileName ?? '';
+    anchorElement.click();
+    anchorElement.remove();
+    URL.revokeObjectURL(url);
+}

Blazor/Blazor/Pages/_Host.cshtml

@@ -29,7 +29,7 @@
         <a href="" class="reload">Reload</a>
         <a class="dismiss">🗙</a>
     </div>
-    <script src="Pages/Chapters/Chapters.razor.js"></script>
+    <script src="Pages/Questions/Questions.razor.js"></script>
     <script src="_framework/blazor.server.js"></script>
 </body>
 </html>

Blazor/Blazor/Pages/_Layout.cshtml

@@ -10,7 +10,7 @@
         <script src="_content/Blazored.Modal/blazored.modal.js"></script>
 
         <script src="_framework/blazor.server.js"></script>
-        <script src="Pages/Chapters/Chapters.razor.js"></script>
+        <script src="Pages/Questions/Questions.razor.js"></script>
 
 
         <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.15.4/css/all.css">