摘要：private void butqinli1_Click(object sender, EventArgs e) { PathBox pbox = new PathBox(); Boolean createdNew; //返回是否赋予了使用线程的互斥体初始所属权 System.Threading.Mutex instance = new System.Threading.Mutex(true, "MutexName", out createdNew); //同步基元变量 if (createdNew) //赋予了线程初始所属权，也就是首次使用互斥体 { pbox.Show( 阅读全文

摘要：using System;using System.Collections.Generic;using System.Text;using System.Diagnostics;using System.IO;using System.Windows.Forms;namespace Aofax{ class GetProcessPath { static string processPath; public static string GetPath(string processName) { Process[] processes = System.Diagnostics.Process.. 阅读全文

摘要：连接数据库, 请根据用用户的输入和数据库里的信息进行比较, 判断用户名和密码是否正确数据库设计:数据库名: MyDataBase1.mdf表名: T_Users表数据:程序代码[csharp] view plaincopyprint?usingSystem;usingSystem.Collections.Generic;usingSystem.Text;usingSystem.Data.SqlClient;namespace登录{classProgram{staticvoidMain(string[]args){//下面这段文字的作用已经在其它博文中解释! stringdataDir=AppD 阅读全文

摘要：读配置很简单，可以用ConfigurationManager.AppSettings[key] 来读出，可是写配置文件时，如果写成这样ConfigurationManager.AppSettings[key] = "111";总是提示只读，那么该怎么办呢？[c-sharp] view plaincopyprint?usingSystem;usingSystem.Collections.Generic;usingSystem.Text;usingSystem.Configuration;namespaceBQKJ.Common{///<summary> ///对e 阅读全文

摘要：可以参考这里：http://msdn.microsoft.com/zh-cn/library/system.security.cryptography.descryptoserviceprovider(v=vs.80).aspxusing System; using System.Security.Cryptography;using System.IO;namespace WanT{ class Encrypt { public static string Encode(string data) //加密 { byte[] byKey = System.Text.ASCIIEncoding. 阅读全文

摘要：usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingSystem.Text;usingSystem.Security;usingSystem.Security.Cryptography;usingSystem.IO;namespaceConsoleApplication1{classProgram{staticvoidMain(string[]args){Console.WriteLine(EncryptDES("aaaaaaaaaaaaaaaa","22222222")); 阅读全文