コード例 #1
0
        public List <CountryViewModel> GetData()
        {
            List <CountryViewModel> List = new List <CountryViewModel>();

            using (this.context = new model())
            {
                var collection = (from p in this.context.Countries

                                  select p).ToList();
                foreach (Country item in collection)
                {
                    using (CountryViewModel i = new CountryViewModel())
                    {
                        i.MapDataObjectToPresentation(i, item);
                        List.Add(i);
                    }
                }
            }

            return(List);
        }
コード例 #2
0
ファイル: ArtworkViewModel.cs プロジェクト: napstar/ArtWorkDB
        public int Update(ArtworkViewModel obj)
        {
            Int32 rowsAffected = 0;

            try
            {
                if (obj.Photo != null)
                {
                    using (this.context = new Artwork_App.ArtWorkDBEntities1())
                    {
                        Artwork DataObject = new Artwork();
                        //map and update
                        DataObject = this.MapPresentationObjectToDataObject(obj);
                        //set edit date
                        DataObject.RecordLastUpdateDate = DateTime.Now;
                        this.context.Artworks.Attach(DataObject);
                        this.context.Entry(DataObject).State = System.Data.Entity.EntityState.Modified;

                        rowsAffected = this.context.SaveChanges();
                    }
                }
                else
                {
                    using (this.context = new Artwork_App.ArtWorkDBEntities1())
                    {
                        Artwork DataObject = new Artwork();
                        //map and update
                        DataObject = this.MapPresentationObjectToDataObject(obj);
                        //set edit date
                        //set edit date
                        DataObject.RecordLastUpdateDate = DateTime.Now;
                        context.Artworks.Attach(DataObject);

                        this.context.Entry(DataObject).State = System.Data.Entity.EntityState.Modified;
                        this.context.Entry(DataObject).Property(x => x.Image).IsModified = false;
                        rowsAffected = this.context.SaveChanges();
                    }
                }
            }
            catch (System.Data.Entity.Validation.DbEntityValidationException ex)
            {
                System.Text.StringBuilder sb = new System.Text.StringBuilder();

                foreach (var failure in ex.EntityValidationErrors)
                {
                    sb.AppendFormat("{0} failed validation\n", failure.Entry.Entity.GetType());
                    foreach (var error in failure.ValidationErrors)
                    {
                        sb.AppendFormat("- {0} : {1}", error.PropertyName, error.ErrorMessage);
                        sb.AppendLine();
                    }
                }

                throw new System.Data.Entity.Validation.DbEntityValidationException(
                          "Entity Validation Failed - errors follow:\n" +
                          sb.ToString(), ex
                          ); // Add the original exception as the innerException
            }
            //catch (Exception ex)
            //{

            //    throw new Exception( ex.Message);
            //}



            return(rowsAffected);
        }