public bool addRaza(SCPMdbModel.SCPM_RAZAS newx)
    {
        var contains = db.SCPM_RAZAS.ToList().Any(u => u.RAZ_NOM.Equals(newx.RAZ_NOM, StringComparison.InvariantCultureIgnoreCase));

        if (contains || newx.RAZ_NOM == "")
        {
            return(false);
        }

        db.AddToSCPM_RAZAS(newx);
        db.SaveChanges();
        return(true);
    }
    public bool editRaza(SCPM_RAZAS newx)
    {
        var contains = db.SCPM_RAZAS.ToList().Any(u => u.RAZ_NOM.Equals(newx.RAZ_NOM, StringComparison.InvariantCultureIgnoreCase) && u.RAZ_ID != newx.RAZ_ID);
        if (contains || newx.RAZ_NOM == "") return false;

        var _a = from a in db.SCPM_RAZAS where a.RAZ_ID == newx.RAZ_ID select a;
        if (_a.Count() < 1) return false;
        var area = _a.First();

        area.RAZ_NOM = newx.RAZ_NOM;
        area.RAZ_EST = newx.RAZ_EST;

        db.SaveChanges();
        return true;
    }