add & Display Date in Calendar Control in ASP.NET Core

@{
    ViewData["Title"] = "Home Page";
}








@section scripts{ 
    

}

    

        

            
        
        

            
        
        

            @ViewBag.Message
        
    
    @if (ViewBag.Message != null)
    {
        
    }

public class HomeController : Controller
    {
        
        public IActionResult Index()
        {
            return View();
        }
        [HttpPost]
        public IActionResult Index(string dDate)
        {
            ViewBag.Message = "Selected Date: " + dDate;
            return View();
        }
      }