protected void GVProgreso_PageIndexChanging(object sender, GridViewPageEventArgs e)
 {
     GVProgreso.DataSource = objctrprogreso.ListarProgresos_();
     GVProgreso.DataBind();
 }
 protected void Page_Load(object sender, EventArgs e)
 {
     GVProgreso.DataSource = objctrprogreso.ListarProgresos_();
     GVProgreso.DataBind();
 }