diff --git a/.gitmodules b/.gitmodules
index f4046b5c..1a1c1ca3 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -18,3 +18,7 @@
 	path = web/documentserver-example/csharp-mvc/assets
 	url = https://github.com/ONLYOFFICE/document-templates
 	branch = main/en
+[submodule "web/documentserver-example/csharp/assets"]
+	path = web/documentserver-example/csharp/assets
+	url = https://github.com/ONLYOFFICE/document-templates
+	branch = main/en
diff --git a/web/documentserver-example/csharp/App_Data/demo.docx b/web/documentserver-example/csharp/App_Data/demo.docx
deleted file mode 100644
index 6ee90b8d..00000000
Binary files a/web/documentserver-example/csharp/App_Data/demo.docx and /dev/null differ
diff --git a/web/documentserver-example/csharp/App_Data/demo.pptx b/web/documentserver-example/csharp/App_Data/demo.pptx
deleted file mode 100644
index 3f752109..00000000
Binary files a/web/documentserver-example/csharp/App_Data/demo.pptx and /dev/null differ
diff --git a/web/documentserver-example/csharp/App_Data/demo.xlsx b/web/documentserver-example/csharp/App_Data/demo.xlsx
deleted file mode 100644
index 124a39df..00000000
Binary files a/web/documentserver-example/csharp/App_Data/demo.xlsx and /dev/null differ
diff --git a/web/documentserver-example/csharp/App_Data/new.docx b/web/documentserver-example/csharp/App_Data/new.docx
deleted file mode 100644
index 99c1e6ed..00000000
Binary files a/web/documentserver-example/csharp/App_Data/new.docx and /dev/null differ
diff --git a/web/documentserver-example/csharp/App_Data/new.pptx b/web/documentserver-example/csharp/App_Data/new.pptx
deleted file mode 100644
index f4e4bdf0..00000000
Binary files a/web/documentserver-example/csharp/App_Data/new.pptx and /dev/null differ
diff --git a/web/documentserver-example/csharp/App_Data/new.xlsx b/web/documentserver-example/csharp/App_Data/new.xlsx
deleted file mode 100644
index 4bc868db..00000000
Binary files a/web/documentserver-example/csharp/App_Data/new.xlsx and /dev/null differ
diff --git a/web/documentserver-example/csharp/Default.aspx b/web/documentserver-example/csharp/Default.aspx
index f9eda455..e3dd2312 100644
--- a/web/documentserver-example/csharp/Default.aspx
+++ b/web/documentserver-example/csharp/Default.aspx
@@ -254,7 +254,7 @@
             <div class="help-block">
                 <span>Want to learn how it works?</span>
 
-                <% var examples = new DirectoryInfo(HttpRuntime.AppDomainAppPath + "App_Data")
+                <% var examples = new DirectoryInfo(HttpRuntime.AppDomainAppPath + "assets")
                        .GetFiles("*.zip", SearchOption.TopDirectoryOnly)
                        .Select(fileInfo => fileInfo.Name).ToList();
                    if (examples.Any())
diff --git a/web/documentserver-example/csharp/DocEditor.aspx.cs b/web/documentserver-example/csharp/DocEditor.aspx.cs
index 6691e305..403e0966 100644
--- a/web/documentserver-example/csharp/DocEditor.aspx.cs
+++ b/web/documentserver-example/csharp/DocEditor.aspx.cs
@@ -293,11 +293,13 @@ namespace OnlineEditorsExample
                 default:
                     return;
             }
-            var demoName = (string.IsNullOrEmpty(sample) ? "new" : "demo") + ext;
+            var demoName = (string.IsNullOrEmpty(sample) ? "new" : "sample") + ext;
+            var demoPath = "assets\\" + (string.IsNullOrEmpty(sample) ? "new\\" : "sample\\");
+
             FileName = _Default.GetCorrectName(demoName);
 
             var filePath = _Default.StoragePath(FileName, null);
-            File.Copy(HttpRuntime.AppDomainAppPath + "app_data/" + demoName, filePath);
+            File.Copy(HttpRuntime.AppDomainAppPath + demoPath + demoName, filePath);
 
             var histDir = _Default.HistoryDir(filePath);
             Directory.CreateDirectory(histDir);
diff --git a/web/documentserver-example/csharp/assets b/web/documentserver-example/csharp/assets
new file mode 160000
index 00000000..b6c67f58
--- /dev/null
+++ b/web/documentserver-example/csharp/assets
@@ -0,0 +1 @@
+Subproject commit b6c67f585f6c55747f324be4208d5fabd7153cd1