protected void Page_Load(object sender, EventArgs e)
{
acceso = new accesoDatosSQL();
acceso.conectar();
if (!Page.IsPostBack)
{
DataSet ds = acceso.asignaturasAlumno((String)Session.Contents["email"]);
DropDownList1.DataSource = ds.Tables[0];
DropDownList1.DataTextField = "codigoasig";
DropDownList1.DataBind();
DataView view_tareas = acceso.genericasAlumno((String)Session.Contents["email"]);
view_tareas.RowFilter = "codAsig=" + "'" + DropDownList1.SelectedValue + "'";
GridView1.DataSource = view_tareas;
GridView1.DataBind();
}
}