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//ÃüÃû¿Õ¼ä using Microsoft.Win32;
private void checkBox2_CheckedChanged(object sender, System.EventArgs e)
{
if (checkBox2.Checked) //ÉèÖÿª»ú×ÔÆô¶¯
{
//MessageBox.Show ("ÉèÖÿª»ú×ÔÆô¶¯ÐèÒªÐÞ¸Ä×¢²á±í","Ìáʾ");
string path = Application.ExecutablePath;
RegistryKey rk = Registry.LocalMachine;
RegistryKey rk2 = rk.CreateSubKey(@"Software\Microsoft\Windows\CurrentVersion\Run");
rk2.SetValue( "JcShutdown",path );
rk2.Close();
rk.Close();
}
else //È¡Ïû¿ª»ú×ÔÆô¶¯
{
//MessageBox.Show ("È¡Ïû¿ª»ú×ÔÆô¶¯ÐèÒªÐÞ¸Ä×¢²á±í","Ìáʾ");
string path = Application.ExecutablePath;
RegistryKey rk = Registry.LocalMachine;
RegistryKey rk2 = rk.CreateSubKey(@"Software\Microsoft\Windows\CurrentVersion\Run");
rk2.DeleteValue("JcShutdown",false);
rk2.Close();
rk.Close();
}
}


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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Xml;
namespace WebApplication2
{
/// <summary>
/// XMLHelper XMLÎĵµ²Ù×÷¹ÜÀíÆ÷
/// </summary>
public class XMLHelper
{
public X ......

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MSSQL:
declare @begin datetime
declare @End datetime
set @begin=getdate()
   --Ö´ÐеÄÓï¾äдÔÚÕâÀï
set @End=getdate()
select datediff(millisecond,@begin,@End) as Ö´ÐеÄʱ¼ä
--millisecond±íʾºÁÃë Èç¹û¿´Ãë¿ÉÒÔʹÓÃss
C#:
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C#ÖÐʹÓÃDataTableÏÔʾAccessÊý¾Ý¿âÖÐÎļþÁбí


private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
             this.comboBox2.Items.Clear();
            switch(this.comboBox1.SelectedIndex)
       ......

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   Web.config ÎļþÊÇÒ»¸öXMLÎı¾Îļþ£¬ËüÓÃÀ´´¢´æ ASP.NET Web Ó¦ÓóÌÐòµÄÅäÖÃÐÅÏ¢£¨Èç×î³£ÓõÄÉèÖÃASP.NET Web Ó¦ÓóÌÐòµÄÉí·ÝÑéÖ¤·½Ê½£©£¬Ëü¿ÉÒÔ³öÏÖÔÚÓ¦ÓóÌÐòµÄÿһ¸öĿ¼ÖС£µ±Äãͨ¹ý.NETн¨Ò»¸öWebÓ¦ÓóÌÐòºó£¬Ä¬ÈÏÇé¿öÏ»áÔÚ¸ùĿ¼×Ô¶¯´´½¨Ò»¸öĬÈϵÄWeb.configÎļþ£¬°üÀ¨Ä¬ÈÏ ......

c#xmlµÄÔöɾ¸Ä²é


ÒÑÖªÓÐÒ»¸öXMLÎļþ£¨bookstore.xml£©ÈçÏ£º  
  <?xml   version="1.0"   encoding="gb2312"?>  
  <bookstore>  
      <book   genre="fantasy"   ISBN="2-3631-4">  
       &n ......
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