protected void DLL_forms_SelectedIndexChanged(object sender, EventArgs e)
{
L_Idioma logi = new L_Idioma();
DropDownList ddl = (DropDownList)sender;
int id_form = int.Parse(ddl.SelectedValue.ToString());
int id_language = int.Parse(DDL_Idiomas.SelectedValue.ToString());
DataTable data = logi.obtner_controles(id_form, id_language);
DDL_Controles.DataSource = data;
DDL_Controles.DataTextField = "nom_control";
DDL_Controles.DataValueField = "texto";
DDL_Controles.DataBind();
LB_Data.Text = DDL_Controles.SelectedValue.ToString();
}