public void SaveMeterPost(MeterPost meterpost)
 {
     if (meterpost.Id == 0)
     {
         context.MeterPosts.Add(meterpost);
     }
     else
     {
         MeterPost dbPost = context.MeterPosts.Find(meterpost.Id);
         if (dbPost != null)
         {
             dbPost.Date = meterpost.Date;
             dbPost.CurrentMeter = meterpost.CurrentMeter;
             dbPost.UserId = meterpost.UserId;
             dbPost.VehicleId = meterpost.VehicleId;
             dbPost.Notes = meterpost.Notes;
         }
     }
     context.SaveChanges();
 }
 public void DeletePost(MeterPost post)
 {
     context.MeterPosts.Remove(post);
     context.SaveChanges();
 }