How to get the value from view to controller

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ASP.NET-Core

Hi how can i get the value of the input file username from view to Controller?
Heres my code:

<pre>  <label class="w-100">Username</label>
                        <input id="empUsername" class="input-form w-100" disabled>

And here is my Controller code:

[HttpPost]
      public IActionResult OnPostMyUploader(IFormFile MyUploader)
      {
          // No point loading and resizing the image if we're not going to use it:
          if (MyUploader is null) return new ObjectResult(new { status = "fail" });

          string uploadsFolder = @"\\10.10.10.67\AQSImages\IdPictures\";
          string userfileName = (I WANT TO USE THE VALUE HERE TO STORE IN THIS VARIABLE) //empUsername
          string filePath = Path.Combine(uploadsFolder, userfileName);
          using var fileStream = new FileStream(filePath, FileMode.Create);

          using var image = System.Drawing.Image.FromStream(MyUploader.OpenReadStream());
          using var resized = new Bitmap(image, new System.Drawing.Size(150, 150));
          using var imageStream = new MemoryStream();
          resized.Save(imageStream, ImageFormat.Jpeg);


          // Reset the current position of the stream:
          imageStream.Seek(0L, SeekOrigin.Begin);
          imageStream.CopyTo(fileStream);
          return new ObjectResult(new { status = "success" });
      }

How can i get the value?

What I have tried:

Pass (Send) TextBox value from View to Controller without Model in ASP.Net MVC[^]