//aspx.cs private void BindMain() { SqlConnection cn = new SqlConnection(@"server=.\SQLExpress;SqlDataAdapter da = new SqlDataAdapter("select au_id from authors", cn);repeaterMain.protected void repeaterMain_ItemDataBound(object sender, RepeaterItemEventArgs e) { if (e.Row["au_id"].Repeater repeaterSub = (Repeater)e.FindControl("repeaterSub");if (repeaterSub !SqlCommand cmd = new SqlCommand("select title_id from titleauthor where au_