public IActionResult Edit(int?id)
 {
     if (id == null)
     {
         ViewData["Title"]       = "Create new Technology Tag";
         ViewData["ButtonTitle"] = "Create";
         return(View(new TechnologyTagViewModel()));
     }
     else
     {
         ViewData["Title"]       = "Update the Technology Tag";
         ViewData["ButtonTitle"] = "Update";
         var technologyTag = _technologyTagRepo.GetTechnologyTag((int)id);
         return(View(new TechnologyTagViewModel
         {
             Id = technologyTag.Id,
             Name = technologyTag.Name,
             CssClassName = technologyTag.CssClassName
         }));
     }
 }