repeater item

private void SelectCategory(string categoryId) {
            foreach (RepeaterItem item in repCategories.Items) {
                HiddenField hidCategoryId = (HiddenField)item.FindControl("hidCategoryId");
                if(hidCategoryId.Value.ToLower() == categoryId.ToLower()) {
                    HyperLink lnkCategory = (HyperLink)item.FindControl("lnkCategory");
                    lnkCategory.ForeColor = System.Drawing.Color.FromArgb(199, 116, 3);
                    break;
                }
            }
        }