title: Request.Form is null on making button as disabled
body: <p>I have two buttons on my screen i am handling with one  method :
  Request.Form["Approve"] becomes null as i have disabled the button, how i can get the value of Request.Form["Approve"] after disabling the button.</p>
  
  <pre><code> @if(ViewBag.RequestAlreadyProcessed)
   { 
       &lt;input type="submit" class="btn btn-primary btn_box" value="Approve" name="Approve" disabled="disabled" /&gt;
       &lt;input type="submit" class="btn btn_secondary btn_box" value="Reject" name="Reject" disabled="disabled"/&gt;
   }
   else
   {
       &lt;input type="submit" class="btn btn-primary btn_box" value="Approve" name="Approve" /&gt;
       &lt;input type="submit" class="btn btn_secondary btn_box" value="Reject" name="Reject" /&gt;
   }
  
  Controller:
  public async Task&lt;ActionResult&gt; Approve(UserApprovalModel UserApprovalModel)
  {
      if (ModelState.IsValid)
      {
          if (Request.Form["Approve"] != null)
          {
              userReg.StatusCd = "APP";
          }
          else
          {
              userReg.StatusCd = "REJ";
          }
     }
     if(userReg.StatusCd == "APP")
     {
         userReg.StatusComment = "Approved";
     }
     else if(userReg.StatusCd == "REJ")
     {
        userReg.StatusComment = "Rejected";
     }
  }
  </code></pre>