protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { var mgr = new MarinaManager(); UxLeases.DataSource = mgr.GetUnleasedSlip(); UxLeases.DataValueField = "dkId"; UxLeases.DataBind(); //UxLeases.SelectedIndex = 0; //UxLeases_SelectedIndexChanged(this, e); } }