public void update(securitygrouppermission editItem)
 {
     securitygrouppermission selectedItem = db.securitygrouppermissions.SingleOrDefault(item => item.id == editItem.id);
     selectedItem.permissions_id = editItem.permissions_id;
     selectedItem.securitygroup_id = editItem.securitygroup_id;
     db.SaveChanges();
 }
 public void insert(securitygrouppermission newItem)
 {
     db.securitygrouppermissions.Add(newItem);
     db.SaveChanges();
 }
        public securitygrouppermission selectSingle(securitygrouppermission findItem)
        {
            securitygrouppermission selectedItem = db.securitygrouppermissions.SingleOrDefault(item => item.id == findItem.id);

            return selectedItem;
        }
 public void delete(securitygrouppermission deleteItem)
 {
     securitygrouppermission selectedItem = db.securitygrouppermissions.First(item => item.id == deleteItem.id);
     db.securitygrouppermissions.Remove(selectedItem);
     db.SaveChanges();
 }