C# 远程桌面连接

using System;
using System.Configuration;
using System.Collections.Generic;
using System.Data;
using System.Data.SQLite;
using System.Text;

namespace Database
{
    public class Database
    {
        string _connectionString = string.Empty;

        SQLiteConnection _connection = new SQLiteConnection（）;
        SQLiteCommand _command = new SQLiteCommand（）;

        public Database（）
        {
            string db_name = ConfigurationManager.AppSettings[“DatbaseFilepath“].ToString（）;
            this._connectionString = ConfigurationManager.AppSettings[“connection“].ToString（）;

            this._connectionString = string.Format（_connectionString System.IO.Path.Combine（System.Windows.Forms.Application.StartupPath db_name））;
            this._connection.ConnectionS

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2017-06-24 16:16  Database\
     目录           0  2009-05-15 16:38  Database\bin\
     目录           0  2017-06-24 16:29  Database\bin\Debug\
     文件       14848  2017-06-24 16:29  Database\bin\Debug\Database.dll
     文件       40448  2017-06-24 16:29  Database\bin\Debug\Database.pdb
     文件        5632  2017-06-24 16:29  Database\bin\Debug\RijndaelEncryptDecrypt.dll
     文件       13824  2017-06-24 16:29  Database\bin\Debug\RijndaelEncryptDecrypt.pdb
     文件      839680  2009-05-15 16:38  Database\bin\Debug\System.Data.SQLite.dll
     文件        2872  2009-05-15 16:38  Database\Database.cs
     文件        3176  2017-06-24 16:16  Database\Database.csproj
     文件        4618  2009-05-15 16:38  Database\Groups.cs
     目录           0  2017-06-24 16:16  Database\obj\
     目录           0  2017-06-24 16:29  Database\obj\Debug\
     文件         712  2017-06-24 16:29  Database\obj\Debug\Database.csproj.FileListAbsolute.txt
     文件        8269  2017-06-24 16:29  Database\obj\Debug\Database.csprojResolveAssemblyReference.cache
     文件       14848  2017-06-24 16:29  Database\obj\Debug\Database.dll
     文件       40448  2017-06-24 16:29  Database\obj\Debug\Database.pdb
     文件        6799  2017-06-24 16:16  Database\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
     目录           0  2017-06-24 16:16  Database\obj\Debug\TempPE\
     目录           0  2009-05-15 16:38  Database\Properties\
     文件        1428  2009-05-15 16:38  Database\Properties\AssemblyInfo.cs
     文件         905  2009-05-15 16:38  Database\RijndaelHelper.cs
     文件       11481  2009-05-15 16:38  Database\Servers.cs
     文件         662  2009-05-15 16:38  Database\SettingsException.cs
     目录           0  2017-06-24 16:16  DataProtection\
     目录           0  2009-05-15 16:38  DataProtection\bin\
     目录           0  2017-06-24 16:29  DataProtection\bin\Debug\
     文件        9728  2017-06-24 16:29  DataProtection\bin\Debug\DataProtection.dll
     文件       19968  2017-06-24 16:29  DataProtection\bin\Debug\DataProtection.pdb
     文件        2662  2017-06-24 16:16  DataProtection\DataProtection.csproj
     文件        2285  2009-05-15 16:38  DataProtection\DataProtectionForRDPWrapper.cs
............此处省略267个文件信息