2020-06-17 标签:asp,net,动态,读取,excel,文件,方法,注意,页面,分别,拖拽,fileupload,button,label,gridview,控件,新建

注意：页面分别拖拽一个FileUpload、Button1、Label1、GridView控件，并新建一个UploadedExcel文件夹Default.aspx.cs代码：using System;using System.Collections.Generic;using System.Data

2020-06-03 标签:c,利用,session,对象,实现,购物,方法,示例,本文,分享,大家,留个,笔记,shopcart,aspx,csusing,system,using,data

本文实现了c# Session对象实现购物车的方法，分享给大家，也给自己留个笔记：//shopcart.aspx.csusing System;using System.Data;using System.Configuration;using System.Collections;using Sy

2020-05-01 标签:EF,EntityFramework,机制,var,ctx,new,objectContext,mappingCollection,代码,CodeFirst,using,YourContext,ObjectContext,MetadataWorkspace,GetItemCollection,DataSpace,CSSpace

EntityFramework暖机制,优化CodeFirst 第一速度，代码如下：using (var ctx = new YourContext()){var objectContext = ((IObjectContextAdapter)ctx).ObjectContext;var mappin

2020-04-10 标签:Session,Abandon,Clear,RemoveAll,三者,区别,调用,session,End,Start,清除,方法,Clears,values,state,item,collection,InProc,所有

Session.Abandon，Session.Clear和Session.RemoveAll三者的区别联系：Session.Clear()和Session.RemoveAll()是完全一样的，即Clears all values from the session-state item collec

2020-04-08 标签:asp,n,et,c,利用,构造,代码,实现,如下,using,system,data,collections,web,security,ui,webcontrols

实现代码如下：using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using System.Web.Security; using Syste

2020-04-08 标签:asp,n,et,tripledes,加密,解密,算法,using,system,collections,generic,linq,text,security,io,amespace,region

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Security.Cryptography;using System.IO;namespace Windows

2020-04-04 标签:asp,n,et,遍历,目录,文件夹,子目录,文件,实现,代码,如下,using,system,collections,generic,text,io,threading,amespace,copefile

实现代码如下：using System; using System.Collections.Generic; using System.Text; using System.IO; using System.Threading; namespace copefile {class Program{s

2020-04-04 标签:asp,n,et,gridview,时的,批量,删除,book,admin,aspx,实现,代码,如下,id,grwbook,runat,server,cellpadding

book_admin.aspx实现代码如下： book_admin.aspx.cs 实现代码如下：using System; using System.Data; using System.Configuration; using System.Collections; using System.W

2020-03-25 标签:服务器,c,实现,css,解析器,代码,如下,using,system,collections,text,io,specialized,diagnostics,n,amespace,public,class

实现代码如下：using System; using System.Collections; using System.Text; using System.IO; using System.Collections.Specialized; using System.Text.RegularExpr

2020-03-25 标签:c,自动,创建,数据库,实现,代码,using,system,data,collections,web,security,ui,webcontrols,webparts,public,partial,class

using System;using System.Data;using System.Configuration;using System.Collections;using System.Web;using System.Web.Security;using System.Web.UI;usin