string name; private void treeView1_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e) { name = e.Node.Text.ToString(); if (name == "纸箱展开图") { WindowsFormsApplication4.Form1 f = new WindowsFormsApplication4.Form1(); f.ShowDialog(); } if (name == "员工登记") { guide...
string_view u16string_view u32string_view wstring_view 型別,描述類別範本的特製化,basic_string_view類型為char的專案。 C++ typedefbasic_string_view<char, char_traits<char>> string_view; 備註 以下宣告是相同的: C++ string_viewstr("Hello"); basic_string_view<char> str("Hello"); ...
// Get our button from the layout resource, // and attach an event to it Button button = FindViewById<Button>(Resource.Id.button1); TextView ts = FindViewById<TextView>(Resource.Id.textView1); button.Click += delegate { ts.Text = "Hello Android"; button.Text = string.Format("第{...
1.新建一个工程名叫mysql,编程环境选择c#,然后选择windows窗体应用程序,新建一个窗体用于显示查询到sql数据库的数据集 2.从工具箱向form1窗体上拖一个按钮和datagridview控件,按钮是触发连接数据库获取数据集,按钮的名称为显示,datagridview控件是用于显示数据集内容 3.单击解决方案资源管理器中的引用文件夹然后右键选择...
[cpp]view plain copy print? #include "stdafx.h" #include <stdio.h> #include <windows.h> #include <iostream> #include <string> #include <curl/curl.h> using namespace std; ...
std::cout << boost::gregorian::to_simple_string(dt) << std::endl<<std::endl;//对数组排序操作 std::vector<int> test_vc(100);std::vector<int>::iterator beg_it = test_vc.begin();std::vector<int>::iterator end_it = test_vc.end();std::srand(std::time(NULL));std...
{privateArrayAdapter<string>adapter;privateListView lsvRecords;privateList<string>records;protectedoverridevoidOnCreate(Bundle bundle) {base.OnCreate(bundle);//Set our view from the "main" layout resourceSetContentView(Resource.Layout.Main);//数据库文件路径//要求WRITE_EXTERNAL_STORAGE权限stringdbPath = ...
下载后是一个名为 mysql-connector-net-8.0.26-noinstall.zip 的压缩包,解压缩。 解压后,引入 v4.5.2 目录下的 MySql.Data.dll 文件到项目中 添加一个 Button 和一个 dataGridView 控件,写入如下的代码: string str = "Server=localhost;User ID=MySQLd的用户名;Password=MySQLd的密码;Database=数据库;Char...
string strcmd = "select * from user";MySqlCommand cmd = new MySqlCommand(strcmd, con);MySqlDataAdapter ada = new MySqlDataAdapter(cmd);DataSet ds = new DataSet();ada.Fill(ds);//查询结果填充数据集 dataGridView1.DataSource = ds.Tables[0];con.Close();//关闭连接 使用navicat...
collector.OfClass(typeof(View)).OfCategory(BuiltInCategory.OST_Views);stringpathFullName ="E:/data/dwg/xx"; DWGExportOptions dwgOptions=newDWGExportOptions { FileVersion=ACADVersion.R2010, };stringfolder =Path.GetDirectoryName(pathFullName);stringname =Path.GetFileNameWithoutExtension(pathFullName...