private void BindClubByDistId(int distNo) { ClubsBll obj = new ClubsBll(); DataTable dt = new DataTable(); obj.DistrictNo = distNo; dt = obj.GetClubByDistNo(); ddlClubName.DataTextField = "club_name"; ddlClubName.DataValueField = "id"; ddlClubName.DataSource = dt; ddlClubName.DataBind(); ddlClubName.Items.Insert(0, "Select"); }