Exemplo n.º 1
0
        /// <summary>
        /// 更新
        /// </summary>
        /// <param name="items"></param>
        /// <returns></returns>
        public static bool UpdateDB(IEnumerable <Library_Category> items, string connectionString)
        {
            using (var db = new DataContext(connectionString))
            {
                if (null == items || items.Count() < 1)
                {
                    return(false);
                }

                foreach (var item in items)
                {
                    var model = db.Library_Category.SingleOrDefault(p => p.CategoryID == item.CategoryID);

                    if (null != model)
                    {
                        db.Library_Category.Attach(model);
                        db.Entry(model).State = EntityState.Modified;
                        model.Name            = item.Name;
                        model.IsDelete        = item.IsDelete;
                        model.Depth           = item.Depth;
                        model.Description     = item.Description;
                        model.Disabled        = item.Disabled;
                        model.IsDelete        = item.IsDelete;
                        model.Ico             = item.Ico;
                        model.Layer           = item.Layer;
                        model.ParentID        = item.ParentID;
                    }
                    else
                    {
                        model               = new Library_Category();
                        model.Name          = item.Name;
                        model.CategoryID    = item.CategoryID;
                        model.Depth         = item.Depth;
                        model.Description   = item.Description;
                        model.Disabled      = item.Disabled;
                        model.IsDelete      = item.IsDelete;
                        model.Ico           = item.Ico;
                        model.Layer         = item.Layer;
                        model.ParentID      = item.ParentID;
                        model.ProductNumber = 0;
                        model.CreateTime    = DateTime.Now;
                        model.DeleteTime    = DateTime.Now;
                        model.OrderNo       = 0;

                        db.Library_Category.Add(model);
                    }
                }

                return(db.SaveChanges() > 0);
            }
        }
Exemplo n.º 2
0
        /// <summary>
        /// 初始化数据
        /// </summary>
        /// <param name="items"></param>
        /// <returns></returns>
        public static bool InitDB(IEnumerable <Library_Category> items, string connectionString)
        {
            using (var db = new DataContext(connectionString))
            {
                if (null == items || items.Count() < 1)
                {
                    return(false);
                }

                var all = db.Library_Category.ToList();
                db.Library_Category.RemoveRange(all);

                db.SaveChanges();

                foreach (var item in items)
                {
                    var model = new Library_Category();
                    model.Name          = item.Name;
                    model.CategoryID    = item.CategoryID;
                    model.Depth         = item.Depth;
                    model.Description   = item.Description;
                    model.Disabled      = item.Disabled;
                    model.IsDelete      = item.IsDelete;
                    model.Ico           = item.Ico;
                    model.Layer         = item.Layer;
                    model.ParentID      = item.ParentID;
                    model.ProductNumber = 0;
                    model.CreateTime    = DateTime.Now;
                    model.DeleteTime    = DateTime.Now;
                    model.OrderNo       = 0;

                    db.Library_Category.Add(model);
                }

                return(db.SaveChanges() > 0);
            }
        }