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C# 使用数据库列别名的例子
C# 使用数据库列别名的例子。查询数据库信息,定义了一个方法返回DataTable对象:
private DataTable GetMessage()
{
string P_Str_ConnectionStr = string.Format(//创建数据库连接字符串
@"server=WIN-GI7E47AND9RLS;database=db_TomeTwo;uid=sa;pwd=");
string P_Str_SqlStr = string.Format(//创建SQL查询字符串
@"SELECT 学生姓名 as 姓名,年龄 as 学生年龄,性别 as 学生性别 from tb_Student");
SqlDataAdapter P_SqlDataAdapter = new SqlDataAdapter(//创建数据适配器
P_Str_SqlStr, P_Str_ConnectionStr);
DataTable P_dt = new DataTable();//创建数据表
P_SqlDataAdapter.Fill(P_dt);//填充数据表
return P_dt;//返回数据表
}
- 2022-07-22 20:05:58下载
- 积分:1
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procedure is very simple to play and is also very simple. Game players can be ri...
程序很简单,玩法也很简单。能对玩家游戏时间进行统计以决出胜负-procedure is very simple to play and is also very simple. Game players can be right time for a winner and loser Statistics
- 2022-03-04 04:55:00下载
- 积分:1
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AD2S1210_STM32
基于STM32,对AD2S1210进行配置,可实现读取旋变位置,速度,实现编码器值稳定等功能(Based on STM32, the configuration of AD2S1210 can realize the function of reading and changing the position and speed of the encoder, and achieving the stable value of the encoder.)
- 2021-01-06 18:18:54下载
- 积分:1
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3D-Construction
说明: 利用散斑图计算获取深度图,散斑投影结合红外相机(Depth map was obtained by speckle pattern calculation, speckle projection combined with infrared camera)
- 2021-04-22 21:18:48下载
- 积分:1
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radio
基于CC2430的点对点射频通信实验,我已经做过实验了,可以用。(Point to point communication experiment Based On CC2430.)
- 2013-08-15 14:22:37下载
- 积分:1
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4-Bit
AT80S52 4-bit lcd1602 interface
- 2020-06-21 00:40:02下载
- 积分:1
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商品信息爬取
说明: 简单的爬虫实例,通过各种方式从商品网站上爬取各种不同的信息,主要用于练习爬虫的应用,更加熟悉爬虫的应用(A simple crawler instance that crawls a variety of different information from a product website in a variety of ways, mainly for practicing reptile applications and more familiar with reptile applications.)
- 2020-06-20 12:20:02下载
- 积分:1
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RFID读写例程
提供了RFID的开发源码,用VC编的,展示RFID卡如何加密,如何自毁。串口通讯支持RS-232(RS232),RS-485(RS485),波特率可选,RFID的天线可选,读卡频率可调。提供了控制RFID读卡功率的方法,功率从0至29可调,距离最大10米以上,该源码可用于交通、物流、运输、仓库管理、比条码技术强大。用于毕业论文答辩中,可以演示,程序看懂后,就对RFID整个工作原理较为了解。支持ISO18000和EPC_GEN2等类型的RFID卡。
- 2022-05-08 06:14:53下载
- 积分:1
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StaMPS_v3.2.1.tar
stamps软件,处理PS-InSAR的软件,hooper(stamps method for ps-insar)
- 2012-02-06 00:17:23下载
- 积分:1
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ABAQUSVUMATEXAMPLE
Abaqus子程序Vumat初学者好用的小例子,PDF文件,内有代码和例子详解(Abaqus small example subroutine Vumat easy to use for beginners, PDF files, there are examples of code and Explanation)
- 2021-03-23 15:59:15下载
- 积分:1