protected void lvCat_ItemCommand(object sender, ListViewCommandEventArgs e) { DAL.DALCategory dALCategory = new DALCategory(); int catParentID = int.Parse(e.CommandArgument.ToString()); if (String.Equals(e.CommandName, "btnProd") && dALCategory.GetCategoriesEnfantImgByParentID(catParentID).Count == 0) { string url = "Produits.aspx?idcat=" + catParentID; Response.Redirect(url); } else { string url = "Categories.aspx?idCat=" + catParentID; Response.Redirect(url); } }