protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { companyDropDownList.DataSource = companyManager.GetAllCompanies(); companyDropDownList.DataValueField = "Id"; companyDropDownList.DataTextField = "Name"; companyDropDownList.DataBind(); companyDropDownList.Items.Insert(0, "Select Company"); cartManager.DropCart(); } }