public static IHtmlString GridAddButton(this HtmlHelper helper, EntityType entityType)
{
var builder = new StringBuilder();
var button = new TagBuilder("a");
button.AddCssClass("float");
button.Attributes.Add("href", UrlGenerator.CreatePage(entityType));
var icon = new TagBuilder("i");
icon.AddCssClass("fa fa-plus fa-2x fab-button");
button.InnerHtml = icon.ToString();
builder.AppendLine(button.ToString());
return(new HtmlString(builder.ToString()));
}