public static bool themDanhBaToDB(DanhBa danhBa) { var db = new DanhBaDbContext(); db.DanhBaDbSet.Add(danhBa); db.SaveChanges(); return(true); }
public static bool themNhomToDB(Nhom nhom) { var db = new DanhBaDbContext(); db.NhomDbSet.Add(nhom); db.SaveChanges(); return(true); }
public static bool xoaDanhBaFromDB(string sdt) { var db = new DanhBaDbContext(); var temp = db.DanhBaDbSet.Where(e => e.sdt == sdt).FirstOrDefault(); db.DanhBaDbSet.Remove(temp); db.SaveChanges(); return(true); }
public static bool xoaNhomFromDBByName(string name) { var db = new DanhBaDbContext(); var temp = db.NhomDbSet.Where(e => e.tenNhom == name).FirstOrDefault(); if (temp != null) { db.NhomDbSet.Remove(temp); db.SaveChanges(); return(true); } else { return(false); } }
public static bool xoaDanhBaByNhom(string maNhom) { var db = new DanhBaDbContext(); List <DanhBa> list = db.DanhBaDbSet.Where(e => e.maNhom == maNhom).ToList(); if (list.Count > 0) { for (int i = 0; i < list.Count; i++) { db.DanhBaDbSet.Remove(list.ElementAt(i)); } db.SaveChanges(); return(true); } else { return(false); } }