public IActionResult Participant()
{
ComponentHandler comphanlder = new ComponentHandler(new bachelordbContext());
ComponentTypeHandler comptypehanlder = new ComponentTypeHandler(new bachelordbContext());
CategoryHandler category = new CategoryHandler(new bachelordbContext());
HomePageModel model = new HomePageModel();
model.listcategory = category.getAllCategory();
model.listcomponenttypes = comptypehanlder.GetAlleComponentTypes();
model.listcomponent = comphanlder.getallComponent();
model.CategoryComponent = category.GetallCategoryComponentTypes();
return(View(model));
}