protected void ddlFaculty_Init(object sender, EventArgs e) { if (ddlFaculty.Items.Count == 0) { dt = new DataTier(); fac = dt.ReadFaculties(); ddlFaculty.DataSource = fac; ddlFaculty.DataValueField = "ID_Facultate"; ddlFaculty.DataTextField = "Nume_facultate"; ddlFaculty.DataBind(); ddlDepartment_Create(); ddlSpecialization_Create(); } }