api函数: 代码如下:1.[DllImport("user32.dll")]//取设备场景 2.private static extern IntPtr GetDC(IntPtr hwnd);//返回设备场景句柄 3.[DllImport("gdi32.dll")]//取指定点颜色 4.private static extern int GetPixel(IntPtr hdc, Point p);主要方法: 代码如下:Timer tim = new Timer(); tim.Interval = 1; tim.Tick += delegate { Point p = new Point(MousePosition.X, MousePosition.Y);//取置顶点坐标 IntPtr hdc = GetD...
方法网上有很多,试了一下都有瑕疵。最后找了个看上去代码比较少,比较顺眼的,测试结果报错说有几个函数不存在,于是设置断点调试,各个属性查找有用的字段,终于找到。 现整理如下: 首先,要想在javascript中获取treeview中带checkbox的节点,需要设置treeview节点的某些属性,我是在后台代码中添加的。 代码如下:TreeNode newNode = new TreeNode(); newNode.Text = “showText”; newNode.Value =id; newNode.NavigateUrl = ...
使用方法: 获取第1封邮件 代码如下:Zgke.Net.POP3 _Popt = new Zgke.Net.POP3("192.168.0.1", 110); DataTable _Mail = _Popt.GetMail("zk", "zk", 1); 返回DataTable 数据内容为 Type为类型 Text为文字 如果是附件 为byte[] Name 如果是附件里存放的为文件名 下面是全部的类 代码如下:using System; using System.Net.Sockets; using System.Net; using System.Security.Cryptography; using System.IO; using System.Data; na...
首先找到内容里面第一个<img标签的位置,然后找到从这个起的第一个>的位置,得到第一张图片的完整标签。 然后通过分隔空格得到图片的各个属性和属性值,提取src的值就是图片的地址 代码如下: 代码如下:/// <summary> /// 获取文中图片地址 /// </summary> /// <param name="content">内容</param> /// <returns>地址字符串</returns> public static string getImageUrl(string content) { int mouse = 0; int cat = 0; string im...
<summary>/// 获取指定IP地址的数据库所有数据库实例名。/// </summary>/// <param name="ip">指定的 IP 地址。</param>/// <param name="username">登录数据库的用户名。</param>/// <param name="password">登陆数据库的密码。</param>/// <returns>返回包含数据实例名的列表。</returns>private ArrayList GetAllDataBase(string ip, string username, string password){ArrayList DBNameList = new ArrayList();SqlConnection ...
发送HTTP获取数据/// <summary>/// 发送HTTP获取数据/// </summary>/// <param name="url">接口地址</param>/// <param name="method">接口方法</param>/// <returns></returns>public DataTable GetDataAsTabel(string url, string method){DataSet ds = new System.Data.DataSet();try{HttpWebRequest request = HttpWebRequest.Create(url + method) as HttpWebRequest;request.Method = "GET";WebResponse response = request....
1.可能是主机提供商的 安全问题。 Their hosts works in medium trustsecurity, and ASProxy needs a full trust security environment.The error log is clear: System.Security.SecurityException: Requestfailed.C#中CookieContainer获取里面cookie值异常:InvokeMember("m_domainTable") FieldAccessException标签:本文系统来源:http://www.cnblogs.com/x-poior/p/5583227.html
System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.Data.OleDb; using System.Data.SqlClient; using System.IO;namespace WindowsFormsApplication1 {public partial class Form3 : Form{public Form3(){InitializeComponent();}private void button1_Click(object sender, Ev...
<summary>/// 返回对应表的模拟自增字段值/// </summary>/// <param name="tablename">表名</param>/// <returns>表的模拟自增字段值</returns>public decimal GetPKNum(string tablename) {switch (sqlType){case "MSSQL2008":parameters = new List<DbParameter>();parameters.Add(new SqlParameter("@table_name", SqlDbType.VarChar, 50));parameters.Add(new SqlParameter("@key_value", SqlDbType.Decimal, 9));parameters[0...
‘YYYY-MM-DD hh24:mi:ss‘),OBJESECT_parms,OBJECONTENT_parms,ISRELEASE_parms,OBJECODE_parms,TAGS_parms)RETURN OBJEID INTO OBJ_ID_parms;RETURN; EXCEPTIONWHEN NO_DATA_FOUNDTHENNULL;WHEN OTHERSTHEN-- Consider logging the error and then re-raiseRAISE; END INSERT_OBJ;C#中获取值DbParameter[] paras = new OracleParameter[8];paras[0] = new OracleParameter("OBJEFIRT_parms", OracleType.NVarChar);paras...
首先添加引用:MySql.Data.dll 链接:http://pan.baidu.com/s/1dEQgLpf 密码:bnyu ①建立mysql数据库链接 1 //建立mysql数据库链接 2 public MySqlConnection getMySqlConn() 3 { 4 string constr = "server=localhost;User Id=root;password=123456;Database=qqmusicdistinct"; 5 MySqlConnection mycon = new MySqlConnection(constr); 6 return mycon; 7 ...
OleDbConnection conn = new OleDbConnection(connectionAccessString); // connectionAccessString是连接字符串conn.Open();DataTable dt = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] { null, null, null, "TABLE" });conn.Close();C#获取Access数据库所有表标签:log uid sch datatable access pos 连接 body blog 本文系统来源:https://www.cnblogs.com/51cnblogs/p/8135819.html
or replace procedure SQL_WX_SP(out_return out sys_refcursor) is beginopen out_return for ‘select * from wx_sp‘; end;C#代码:(这是调用的方法,out_return 这个是和存储过程中的游标参数对应的,类型是OracleDbType.RefCursor。SQL_WX_SP 是存储过程名称) public DataTable function(){try{OracleParameter[] par ={new OracleParameter("out_return", OracleDbType.RefCursor)};par[0].Direction = ParameterDirect...
EXISTS (SELECT 1 FROM SYSOBJECTS WHERE id = object_id (‘pr_test‘))DROP PROCEDURE pr_test goCREATE PROCEDURE pr_test AS SELECT TOP 4 * FROM CustomersSELECT TOP 4 * FROM Employees GOEXEC pr_test返回两个结果集: 在C#代码中通过DataSet集合获取存储过程结果集:using System; using System.Data; using System.Data.SqlClient;namespace ConsoleApplication1 {class Program{static void Main(string[] args){s...
/// summary /// 取 所有 表名 /// /summary /// returns/returns public Liststring GetTableNameList() { Liststring list = new Liststring(); OleDbConnection Conn = new OleDbConnection(ConnStr); try { if (Conn.State == ConnectionState.Closed) C /// /// 取所有表名/// /// public List GetTableNameList(){ List list = new List();OleDbConnection Conn = new OleDbConnection(ConnStr);try{if (Conn.State ==...