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Tcp/ip socket 服务器/客户端
Tcp/ip socket 服务器/客户端
- 2020-11-27下载
- 积分:1
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C#添加删除修改数据并生成Excel工作表格
C#添加删除修改数据并生成Excel工作表格,private void Button4_Click(object sender, EventArgs e)
{//新建工作表(在Excel文件型数据源中不支持删除操作)
var MyConnectString =@"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=运货商.xlsx;Extended Properties=""Excel 12.0;HDR=YES"";";
var MyConnection=new OleDbConnection(MyConnectString);
if(MyConnection.State == ConnectionState.Closed)
MyConnection.Open();
var MySQL = "CREATE TABLE 新运货商(公司名称 char(50), 电话 char(20));";
var MyCommand=new OleDbCommand(MySQL, MyConnection);
MyCommand.ExecuteNonQuery();
MySQL = "INSERT INTO [新运货商$](公司名称,电话)VALUES ( +this.TextBox1.Text+,+this.TextBox2.Text+)";
MyCommand = new OleDbCommand(MySQL, MyConnection);
MyCommand.ExecuteNonQuery();
MySQL = "SELECT * FROM [新运货商$]";
var MyAdapter=new OleDbDataAdapter(MySQL, MyConnectString);
var MyTable=new DataTable();
MyAdapter.Fill(MyTable);
this.DataGridView1.DataSource = MyTable;
}
- 2022-03-16 02:17:15下载
- 积分:1
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开发命名规范
说明: 开发规范要求,严格按照此文档来进行编码,非常好的开发规范文档(Development specification requirements, strictly in accordance with this document for coding, very good development specification document)
- 2020-06-17 21:20:02下载
- 积分:1
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以一敌百小游戏
以一敌百的小游戏源代码做的比较简单,但功能较完整
- 2022-03-25 19:49:59下载
- 积分:1
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一个模拟交易的简单系统
模拟交易的简单服务 基于linux C++ +mysql 数据库 开发而成。
- 2023-08-12 20:35:05下载
- 积分:1
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Big-Surf-intelligence
智力大冲浪,参加游戏,最后看谁获得的钱多的游戏,C实现(Intellect surfing, participate in the game, the last game to see who get more money, C implementation)
- 2013-11-13 10:54:47下载
- 积分:1
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stm32图像采集+QT上位机源码
说明: stm32图像采集上位机源码,来源于网络平台,仅供学习而用(STM32 image acquisition host computer source code, from the network platform, only for learning)
- 2020-05-11 12:59:20下载
- 积分:1
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企业人事管理系统
简单的管理系统,实现其基本功能
- 2023-06-02 01:30:04下载
- 积分:1
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C# GroupBy将字符串数组按元素长度分组
C#演示 GroupBy字符串操作范例,C# GroupBy将字符串数组按元素长度分组:
string[] Words = new string[] { "what", "is", "your", "name", "?", "my", "name", "is", "lyf", "." };
var Groups = from word in Words
group word by word.Length into lengthGroups//按单词长度将单词分组
orderby lengthGroups.Key descending//按单词长度降序排列
select new
{
Length = lengthGroups.Key,//取单词长度
WordCollect = lengthGroups//取该长度的单词分组集合
};最后使用foreach循环遍历每组单词,将罗列出包括指定字符的单词是哪几个。
- 2023-08-16 01:45:03下载
- 积分:1
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DeNoising
去噪工具包,包含了多中去噪方法,主要是基于MATLAB环境下运行。(De-noising tool kit contains a number of de-noising method is based mainly on the MATLAB environment.)
- 2009-04-20 10:02:21下载
- 积分:1