public static int InsertSchoolStandard(SchoolStandard standardToInsert)
 {
     //create DBContext object
     using (var smsDB = new SMSEntities())
     {
         smsDB.SchoolStandards.Add(standardToInsert);
         return(smsDB.SaveChanges());
     }
 }
 public static int EditSchoolStandard(SchoolStandard standardToEdit)
 {
     //create DBContext object
     using (var smsDB = new SMSEntities())
     {
         SchoolStandard standard = smsDB.SchoolStandards.Find(standardToEdit.SchoolStandardID);
         standard.SchoolID   = standardToEdit.SchoolID;
         standard.StandardID = standardToEdit.StandardID;
         return(smsDB.SaveChanges());
     }
 }
        public static int DeleteSchoolStandard(SchoolStandard standardToDelete)
        {
            using (var smsDB = new SMSEntities())
            {
                SchoolStandard standard = smsDB.SchoolStandards.Find(standardToDelete);

                if (standard != null)
                {
                    smsDB.SchoolStandards.Remove(standard);
                    return(smsDB.SaveChanges());
                }
                else
                {
                    return(0); // no record found
                }
            }
        }