protected void GridMenu_ItemClick(object source, DevExpress.Web.MenuItemEventArgs e)
        {
            try
            {
                switch (e.Item.Name)
                {
                case "btnExcel":
                    UiVistaFrecuenciasExportar.WriteXlsxToResponse();
                    break;

                case "btnReport":
                    ReportViewer();
                    ASPxPopupControl1.ShowOnPageLoad = true;
                    break;
                }
            }
            catch (Exception ex)
            {
                ScriptManager.RegisterStartupScript(this, GetType(), "ErrorText", "CallError('Error: " + ex.Message + "');", true);
            }
        }
 protected void UiBotonExportarExel_Click(object sender, EventArgs e)
 {
     UiVistaFrecuenciasExportar.WriteXlsxToResponse();
 }