private string submenu(long Id, int level)
{
var list = Dao.ViewByParent(Id);
string output = "";
if (list.Count() > 0)
{
if (level > 0)
{
output += "<ul class=\"nav nav-sub-" + level + "\">";
}
else
{
output += "<ul class=\"nav\">";
}
foreach (var item in list)
{
output += "<li>";
output += "<a title=\"" + item.Text + "\" href=\"/" + item.Url + "\">";
output += item.Text;
output += "</a>";
output += submenu(item.Id, level + 1);
output += "</li>";
}
output += "</ul>";
}
return(output);
}