public JsonResult ListDetalleFacturacion(int?ClienteId)
{
var draw = Request.Form.GetValues("draw").FirstOrDefault();
var start = Request.Form.GetValues("start").FirstOrDefault();
var length = Request.Form.GetValues("length").FirstOrDefault();
int pageSize = length != null?Convert.ToInt32(length) : 0;
int skip = start != null?Convert.ToInt32(start) : 0;
int nroTotalRegistros = 0;
var dlecturas = facturaService.ListDetalleFacturacion(ClienteId, pageSize, skip, out nroTotalRegistros);
return(Json(new { draw = draw, recordsFiltered = nroTotalRegistros, recordsTotal = nroTotalRegistros, data = dlecturas }, JsonRequestBehavior.AllowGet));
}