protected void Page_PreRender(object sender, EventArgs e)
{
List <Color> colors = ColorService.GetColorsByCategoryID(CategoryId, InDepth).Where(c => AvalibleColorsIDs == null || AvalibleColorsIDs.Any(c2 => c2 == c.ColorId)).ToList();
if (colors.Any())
{
lvColors.DataSource = colors;
lvColors.DataBind();
}
else
{
this.Visible = false;
}
}
