C# 批量生成随机数（可实现2秒生成100万不重复数据）

using System;
using System.Collections.Generic;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    static class Program
    {
        /// 

        /// 应用程序的主入口点。
        /// 

        [STAThread]
        static void Main（）
        {
            Application.EnableVisualstyles（）;
            Application.SetCompatibleTextRenderingDefault（false）;
            Application.Run（new 系统唯一数（））;
        }
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     目录          0  2012-10-29 20:39  WindowsFormsApplication1

     目录          0  2012-10-29 20:40  WindowsFormsApplication1\WindowsFormsApplication1

     目录          0  2012-10-29 20:40  WindowsFormsApplication1\WindowsFormsApplication1\bin

     目录          0  2012-10-29 21:07  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug

     文件      11776  2012-10-29 20:51  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.exe

     文件      28160  2012-10-29 20:51  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.pdb

     文件      11608  2012-10-29 20:51  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.vshost.exe

     目录          0  2012-10-29 20:49  WindowsFormsApplication1\WindowsFormsApplication1\bin\Release

     文件      11776  2012-10-29 20:51  WindowsFormsApplication1\WindowsFormsApplication1\bin\Release\WindowsFormsApplication1.exe

     文件      24064  2012-10-29 20:51  WindowsFormsApplication1\WindowsFormsApplication1\bin\Release\WindowsFormsApplication1.pdb

     文件      11608  2012-10-29 20:51  WindowsFormsApplication1\WindowsFormsApplication1\bin\Release\WindowsFormsApplication1.vshost.exe

     文件        490  2012-02-29 11:57  WindowsFormsApplication1\WindowsFormsApplication1\bin\Release\WindowsFormsApplication1.vshost.exe.manifest

     目录          0  2012-10-29 20:39  WindowsFormsApplication1\WindowsFormsApplication1\obj

     目录          0  2012-10-29 20:49  WindowsFormsApplication1\WindowsFormsApplication1\obj\x86

     目录          0  2012-10-29 20:51  WindowsFormsApplication1\WindowsFormsApplication1\obj\x86\Debug

     文件        772  2012-10-29 20:39  WindowsFormsApplication1\WindowsFormsApplication1\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache

     文件       5441  2012-10-29 20:51  WindowsFormsApplication1\WindowsFormsApplication1\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     目录          0  2012-10-29 20:39  WindowsFormsApplication1\WindowsFormsApplication1\obj\x86\Debug\TempPE

     文件        781  2012-10-29 20:51  WindowsFormsApplication1\WindowsFormsApplication1\obj\x86\Debug\WindowsFormsApplication1.csproj.FileListAbsolute.txt

     文件        985  2012-10-29 20:51  WindowsFormsApplication1\WindowsFormsApplication1\obj\x86\Debug\WindowsFormsApplication1.csproj.GenerateResource.Cache

     文件      11776  2012-10-29 20:51  WindowsFormsApplication1\WindowsFormsApplication1\obj\x86\Debug\WindowsFormsApplication1.exe

     文件      28160  2012-10-29 20:51  WindowsFormsApplication1\WindowsFormsApplication1\obj\x86\Debug\WindowsFormsApplication1.pdb

     文件        180  2012-10-29 20:40  WindowsFormsApplication1\WindowsFormsApplication1\obj\x86\Debug\WindowsFormsApplication1.Properties.Resources.resources

     文件        180  2012-10-29 20:51  WindowsFormsApplication1\WindowsFormsApplication1\obj\x86\Debug\WindowsFormsApplication1.系统唯一数.resources

     目录          0  2012-10-29 20:51  WindowsFormsApplication1\WindowsFormsApplication1\obj\x86\Release

     文件       5445  2012-10-29 20:51  WindowsFormsApplication1\WindowsFormsApplication1\obj\x86\Release\DesignTimeResolveAssemblyReferencesInput.cache

     目录          0  2012-10-29 20:49  WindowsFormsApplication1\WindowsFormsApplication1\obj\x86\Release\TempPE

     文件        795  2012-10-29 20:51  WindowsFormsApplication1\WindowsFormsApplication1\obj\x86\Release\WindowsFormsApplication1.csproj.FileListAbsolute.txt

     文件        985  2012-10-29 20:51  WindowsFormsApplication1\WindowsFormsApplication1\obj\x86\Release\WindowsFormsApplication1.csproj.GenerateResource.Cache

     文件      11776  2012-10-29 20:51  WindowsFormsApplication1\WindowsFormsApplication1\obj\x86\Release\WindowsFormsApplication1.exe

............此处省略19个文件信息