public static SelectListItemsRegistry Get()
{
if (Registry == null)
{
Registry = new SelectListItemsRegistry();
}
return(Registry);
}
public override async Task ProcessAsync(TagHelperContext context, TagHelperOutput output)
{
Items = Dropdown.From(Data ?? new List <DropdownItem>());
await base.ProcessAsync(context, output);
output.TagName = "select";
string id = output.Attributes.FirstOrDefault(attribute => attribute.Name == "id").Value.ToString();
SelectListItemsRegistry.Get().AddToDict(id, Data);
string options = BuildOptionsTag();
output.Content.SetHtmlContent(options);
}
