#region 上传文档
        public static void FileAdd()
        {
            List Item1 = Web.GetList("sites/tangkang/DocLib");
            FileCreationInformation FileCf = new FileCreationInformation();
            string ListName = @"C:\Users\dcadmin\Desktop\123 (3).txt";
            FileStream Stream = new FileStream(ListName, FileMode.Open, FileAccess.Read);
            BinaryReader Reader = new BinaryReader(Stream);
            Byte[] Byteitem = Reader.ReadBytes((int)Stream.Length);
            Reader.Close();
            Stream.Close();
            FileCf.Content = Byteitem;
            FileCf.Overwrite = true;
            FileCf.Url = "test02.text";
            Item1.RootFolder.Files.Add(FileCf);
            Context.ExecuteQuery();
            Console.WriteLine("上传成功");
            Console.ReadKey();
        }
        #endregion

        #region 删除列表项信息
        /// <summary>
        /// 删除列表项信息
        /// </summary>
        public static void ItemNewDelete()
        {
            ListItem list_item = Item.GetItemById(2);
            list_item.DeleteObject();
            Context.ExecuteQuery();
            Console.WriteLine("删除成功");
        }
        #endregion

        #region 修改列表项信息
        /// <summary>
        /// 修改列表项信息
        /// </summary>
        public static void ItemNewUpdate()
        {
            ListItem list_item = Item.GetItemById(1);
            list_item["FirstName"] = "少";
            // Context.Load(list_item);如果需要使用list_item这个对象，一定要先Load
            //Context.ExecuteQuery();//Load完后必须执行这一步
            list_item.Update();
            Context.ExecuteQuery();
            Console.WriteLine("修改成功");
        }
        #endregion

   #region 添加列表项信息
        /// <summary>
        /// 添加列表项信息
        /// </summary>
        public static void ItemNewAdd()
        {
            ListItemCreationInformation itemCreation = new ListItemCreationInformation();
            ListItem newitem = Item.AddItem(itemCreation);
            newitem["Title"] = "唐";
            newitem["FirstName"] = "康";
            newitem.Update();
            Context.ExecuteQuery();
            Console.WriteLine("添加成功");
        }
        #endregion

  #region 查询列表项信息
        /// <summary>
        /// 查询列表栏信息
        /// </summary>
        public static void ItemNewSelect()
        {
            CamlQuery Query = new CamlQuery();
            Query.ViewXml = "";
            ListItemCollection ListItem = Item.GetItems(Query);
            Context.Load(ListItem);
            Context.ExecuteQuery();
            foreach (ListItem item in ListItem)
            {
                Console.WriteLine(item["Title"]);
            }
        }
        #endregion

 #region 添加列表栏信息
        /// <summary>
        /// 添加列表栏信息
        /// </summary>
        public static void ItemAdd()
        {
            Field field = Item.Fields.AddFieldAsXml("<Field DisplayName=‘籍贯‘ Type=‘Number‘ />", true, AddFieldOptions.DefaultValue);
            FieldNumber fieldNumber = Context.CastTo<FieldNumber>(field);
            fieldNumber.Update();
            Context.ExecuteQuery();
            Console.WriteLine("添加成功");
    }
        #endregion

   #region  删除列表
        /// <summary>
        /// 删除列表
        /// </summary>
        public static void ListDelete()
        {
            List list_Delete = Context.Web.Lists.GetByTitle("Test01");//根据名称来获取
            list_Delete.DeleteObject();
            Context.ExecuteQuery();
            Console.WriteLine("删除成功");
        }
        #endregion

        #region  修改列表信息
        /// <summary>
        /// 修改列表信息
        /// </summary>
        public static void ListUpdate()
        {
            List list_Update = Context.Web.Lists.GetByTitle("Summer01");//根据名称来获取
            list_Update.Title = "Test01";
            list_Update.Update();
            Context.ExecuteQuery();
            Console.WriteLine("修改成功");
        }
        #endregion

        #region  添加列表
        /// <summary>
        /// 添加列表
        /// </summary>
        public static void ListAdd()
        {
            ListCreationInformation Creation = new ListCreationInformation();
            Creation.Title = "Summer01";
            Creation.TemplateType = (int)ListTemplateType.DocumentLibrary;
            List newlist = Web.Lists.Add(Creation);
            Context.ExecuteQuery();//与sharepoint通讯
            Console.WriteLine("新建成功");
        }
        #endregion

        #region 查询列表信息
        /// <summary>
        /// 查询列表信息
        /// </summary>
        public static void ListSelect()
        {
            Context.Load(Web.Lists, lis => lis.Include(li => li.Title, li => li.ItemCount, list => list.Created));
            Context.ExecuteQuery();
            foreach (List lis in Web.Lists)
            {
                Console.WriteLine(lis.Title + lis.ItemCount);
            }
        }
        #endregion

        #region 查询网站信息
        /// <summary>
        /// 查询网站信息
        /// </summary>
        public static void WebSelect()
        {
            Context.Load(Web);
            Context.ExecuteQuery();//与sharepoint通讯
            Console.WriteLine(Web.Title);
        }
        #endregion

 #region 修改网站信息
        /// <summary>
        /// 修改网站信息
        /// </summary>
        public static void WebUpdate()
        {
            Context.Load(Web, w => w.Title, wde => wde.Description);
            Web.Title = "Summer";
            Web.Description = "Summer";
            Web.Update();
            Context.ExecuteQuery();//与sharepoint通讯
            Console.WriteLine("修改成功");
        }
        #endregion

 #region  添加网站
        /// <summary>
        /// 添加网站
        /// </summary>
        public static void WebAdd()
        {
            WebCreationInformation Creation = new WebCreationInformation();
            Creation.Url = "Summer";
            Creation.Title = "Summer";
            Creation.Description = "Summer";
            Web newweb = Web.Webs.Add(Creation);
            Context.Load(newweb, w => w.Title, wde => wde.Description);
            Context.ExecuteQuery();//与sharepoint通讯
            Console.WriteLine("新建成功");
        }
        #endregion