private void Cbb_listarusuarios_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
usuarioBLL ub = new usuarioBLL();
txt_rut.Text = "";
lb1.Content = "";
string rol = "";
if (coc.IsSelected)
{
rol = "Cocinero";
}
else if (bart.IsSelected)
{
rol = "Bartender";
}
else if (Gar.IsSelected)
{
rol = "Garzon";
}
else if (fina.IsSelected)
{
rol = "Finanzas";
}
else if (Admin.IsSelected)
{
rol = "Administrador";
}
else if (caja.IsSelected)
{
rol = "caja";
}
System.Data.DataTable dt = ub.UserRolList(rol);
dtg_Usuarios.ItemsSource = dt.DefaultView;
}