[N15]  NUMERIC (1, 1)  NULL,

public ActionResult allsave(VchrViewModel v)
        {
                List<TrD> chklist = this.dt;
                if (br.vchrbalance(chklist) == true)
                {
                    trm = v.master;
                    trm.S100 = vt;
                    var n = db.TrMs.Max(x => x.N100);
                    trm.N100 = n + 1;
                    trm.S104 = getmonth(trm.D1.ToString());
                    trm.S103 = getyear(trm.D1.ToString());
                    db.TrMs.Add(trm);
                    db.SaveChanges();

                    seid = 0;
                    var s = this.dt;
                    foreach (TrD trd in s)
                    {
                        trd.S100 = vt;
                        var d = db.TrDs.Max(x => x.N100);
                        trd.N100 = d + 1;
                        trd.N101 = v.master.N100;
                        db.TrDs.Add(trd);

                        db.SaveChanges();
                        TrnYes4MST(trd.S1);
                    }
                    return Json(new { msg = "Y" });
                }
                else
                {
                    return Json(new { msg = "N" });
                }
        }

Parameter {1.0} is out of range