protected void ddlPlan_SelectedIndexChanged(object sender, EventArgs e) { if (ddlPlan.SelectedIndex != -1) { int idplan = int.Parse(ddlPlan.SelectedValue.ToString()); ddlMateria.DataSource = MateriaLogic.GetAllPlan(idplan); ddlComision.DataSource = ComisionLogic.GetAllPlan(idplan); } }
private void cbPlan_SelectedIndexChanged(object sender, EventArgs e) { if (cbPlan.SelectedIndex != -1) { Plan plan = (Plan)cbPlan.SelectedItem; cbMateria.DataSource = MateriaLogic.GetAllPlan(plan.ID); cbComision.DataSource = ComisionLogic.GetAllPlan(plan.ID); } else { cbMateria.DataSource = new List <Materia>(); cbComision.DataSource = new List <Comision>(); } cbMateria.SelectedIndex = -1; cbComision.SelectedIndex = -1; }