C#语言在winform下链接postgresql数据库

C#语言在winform下链接postgresql数据库，本实例需要安装ESRI.ArcGIS 后运行

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using GeoAPI;
namespace ConectPGsql
{
    class Class1
    {
       
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     文件         875  2013-07-01 16:49  Conect_PGsql_C#\ConectPGsql.sln
     文件       34304  2013-10-17 11:38  Conect_PGsql_C#\ConectPGsql.suo
     目录           0  2013-07-04 09:43  Conect_PGsql_C#\ConectPGsql\
     文件         159  2013-07-01 17:12  Conect_PGsql_C#\ConectPGsql\app.config
     目录           0  2013-07-04 09:43  Conect_PGsql_C#\ConectPGsql\bin\
     目录           0  2013-07-08 13:24  Conect_PGsql_C#\ConectPGsql\bin\Debug\
     文件       19456  2013-07-10 14:20  Conect_PGsql_C#\ConectPGsql\bin\Debug\ConectPGsql.exe
     文件         159  2013-07-01 17:12  Conect_PGsql_C#\ConectPGsql\bin\Debug\ConectPGsql.exe.config
     文件       34304  2013-07-10 14:20  Conect_PGsql_C#\ConectPGsql\bin\Debug\ConectPGsql.pdb
     文件       11600  2013-10-17 09:52  Conect_PGsql_C#\ConectPGsql\bin\Debug\ConectPGsql.vshost.exe
     文件         159  2013-07-01 17:12  Conect_PGsql_C#\ConectPGsql\bin\Debug\ConectPGsql.vshost.exe.config
     文件         490  2010-03-18 06:39  Conect_PGsql_C#\ConectPGsql\bin\Debug\ConectPGsql.vshost.exe.manifest
     文件       86016  2013-07-03 16:35  Conect_PGsql_C#\ConectPGsql\bin\Debug\gdal_csharp.dll
     文件      476160  2013-07-03 16:53  Conect_PGsql_C#\ConectPGsql\bin\Debug\GeoAPI.dll
     文件      282624  2013-07-01 16:55  Conect_PGsql_C#\ConectPGsql\bin\Debug\Mono.Security.dll
     文件      415232  2013-07-01 17:16  Conect_PGsql_C#\ConectPGsql\bin\Debug\Npgsql.dll
     文件      106496  2013-07-03 16:35  Conect_PGsql_C#\ConectPGsql\bin\Debug\ogr_csharp.dll
     文件       57344  2013-07-03 16:35  Conect_PGsql_C#\ConectPGsql\bin\Debug\osr_csharp.dll
     目录           0  2013-07-04 09:43  Conect_PGsql_C#\ConectPGsql\bin\Release\
     文件         178  2013-07-03 16:54  Conect_PGsql_C#\ConectPGsql\Class1.cs
     文件        9122  2013-07-04 09:43  Conect_PGsql_C#\ConectPGsql\ConectPGsql.csproj
     文件       14853  2013-07-10 14:30  Conect_PGsql_C#\ConectPGsql\Form1.cs
     文件        4517  2013-07-02 15:30  Conect_PGsql_C#\ConectPGsql\Form1.Designer.cs
     文件        9895  2013-07-02 15:30  Conect_PGsql_C#\ConectPGsql\Form1.resx
     目录           0  2013-07-01 16:49  Conect_PGsql_C#\ConectPGsql\obj\
     目录           0  2013-07-01 16:49  Conect_PGsql_C#\ConectPGsql\obj\x86\
     目录           0  2013-07-10 14:20  Conect_PGsql_C#\ConectPGsql\obj\x86\Debug\
     文件        1242  2013-10-17 09:52  Conect_PGsql_C#\ConectPGsql\obj\x86\Debug\ConectPGsql.csproj.FileListAbsolute.txt
     文件       19456  2013-07-10 14:20  Conect_PGsql_C#\ConectPGsql\obj\x86\Debug\ConectPGsql.exe
     文件        2955  2013-07-04 09:43  Conect_PGsql_C#\ConectPGsql\obj\x86\Debug\ConectPGsql.Form1.resources
     文件       34304  2013-07-10 14:20  Conect_PGsql_C#\ConectPGsql\obj\x86\Debug\ConectPGsql.pdb
............此处省略28个文件信息