982436: Update UG Documentation for Secure Word Import and Export Header Support in Blazor

Author: Vinoth2562000

blazor/rich-text-editor/import-export.md

@@ -422,21 +422,14 @@ public WordDocument GetDocument(string htmlText)
 
 N> [View Sample in GitHub](https://github.com/SyncfusionExamples/blazor-rich-text-editor-export-to-html).
 
-## Export Document/PDF with Authentication
+## Secure Exported PDF/Word with Authentication
 
-You can add additional data while exporting a document from the Rich Text Editor. When exporting, the OnExport event is triggered, allowing you to:
+You can add additional data while exporting a Word document or PDF from the Rich Text Editor on the client side, which can be received on the server side. By using the `OnExport` event and its `CurrentRequest` and `CustomFormData` properties, you can pass authentication tokens and parameters to the controller action. On the server side, you can fetch the authentication token from the request headers and retrieve the custom form data from the request body, which retrieves the values sent using the POST method.
 
-- Add custom headers to the request using the `CurrentRequest` property (for example, passing an authentication token).
-
-- Send custom form data to the server using the `CustomFormData` property.
-
-On the server side, you can fetch the authentication token from the request headers and retrieve the custom form data.
-
-The following example demonstrates how to achieve this:
+The following example demonstrates how to pass authentication tokens and custom data during export:
 
 {% tabs %}
 {% highlight razor %}
-
 @using Syncfusion.Blazor.RichTextEditor
 <SfRichTextEditor>
     <RichTextEditorEvents OnExport="@Export" />
@@ -455,35 +448,66 @@ The following example demonstrates how to achieve this:
     };
     private void Export(ExportingEventArgs args)
     {
+        // Add different authentication tokens based on export type
+        var token = (args.ExportType == "Pdf" ? "Pdf Bearer token" : "Word Bearer token");
         args.CurrentRequest = new Dictionary<string, string>
         {
-            { "Authorization", "Bearer token" }
+            { "Authorization", token }
         };
         args.CustomFormData = new Dictionary<string, string>
         {
             { "userId", "12345" }
         };
     }
 }
-
 {% endhighlight %}
 {% endtabs %}
 
 {% tabs %}
-{% highlight cshtml tabtitle="~/ExportService.cs" %}
-    public class ExportParam
-    {
-        public string? html { get; set; }
-        public object? formData { get; set; }
-    }
-    [AcceptVerbs("Post")]
-    [EnableCors("AllowAllOrigins")]
-    [Route("ExportToPdf")]
-    public async Task<ActionResult> ExportToPdf([FromBody] ExportParam args)
+{% highlight controller %}
+
+using System;
+using System.IO;
+using System.Net.Http.Headers;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Http;
+using System.Collections.Generic;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Http.Features;
+
+namespace WordUpload.Controllers
+{
+    [ApiController]
+    public class WordController : ControllerBase
     {
-        var authorization = Request.Headers["Authorization"];
-        Console.WriteLine(args.formData);
-        Console.WriteLine(args.html);
+        private readonly IWebHostEnvironment hostingEnv;
+
+        public WordController(IWebHostEnvironment env)
+        {
+            this.hostingEnv = env;
+        }
+        public class ExportParam
+        {
+            public string? html { get; set; }
+            public object? formData { get; set; }
+        }
+        [AcceptVerbs("Post")]
+        [EnableCors("AllowAllOrigins")]
+        [Route("api/RichTextEditor/ExportToPdf")]
+        public async Task<ActionResult> ExportToPdf([FromBody] ExportParam args)
+        {
+            // Fetch authentication token from request headers
+            var authorization = Request.Headers["Authorization"].ToString();
+            // Access custom form data from the request body
+            Console.WriteLine("Authorization: " + authorization);
+            Console.WriteLine("Form Data: " + args.formData);
+            Console.WriteLine("HTML Content: " + args.html);
+            // Your export logic here
+            // Validate token, process formData, generate PDF, etc.
+            return Ok();
+        }
     }
+}
+
 {% endhighlight %}
 {% endtabs %}