C# 连接oracle数据库

连接数据库，判断权限登录系统

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace ConnOracleWays
{
    public partial class login : Form
    {

        private OracleDao myOracleDao;
        
        public login（）
        {
            InitializeComponent（）;
        }

        private void button1_Click（object sender EventArgs e）
        {
            string username = this.textBox1.Text;
            string password = this.textBox2.Text;
            string strSql = “select count（*） from EPC_XMBS where XM=‘“ + username + “‘ and QH=‘“ + password + “‘“;

            myOracleDao = new OracleDao（SysConfig.strOracleConn）;

            DataTable dTable = 

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2016-02-25 09:21  ConnOracleWays\
     目录           0  2016-02-26 16:25  ConnOracleWays\ConnOracleWays\
     文件        4340  2016-08-11 14:25  ConnOracleWays\ConnOracleWays\ConnOracleWays.csproj
     文件        1961  2016-02-26 16:25  ConnOracleWays\ConnOracleWays\MainForm.Designer.cs
     文件         370  2016-02-26 16:25  ConnOracleWays\ConnOracleWays\MainForm.cs
     文件        5817  2016-02-26 16:25  ConnOracleWays\ConnOracleWays\MainForm.resx
     文件        3227  2016-03-01 09:55  ConnOracleWays\ConnOracleWays\OracleDao.cs
     文件         495  2016-02-24 17:00  ConnOracleWays\ConnOracleWays\Program.cs
     目录           0  2016-02-25 09:21  ConnOracleWays\ConnOracleWays\Properties\
     文件        1378  2016-02-24 13:09  ConnOracleWays\ConnOracleWays\Properties\AssemblyInfo.cs
     文件        2868  2016-02-25 10:34  ConnOracleWays\ConnOracleWays\Properties\Resources.Designer.cs
     文件        5612  2016-02-24 13:09  ConnOracleWays\ConnOracleWays\Properties\Resources.resx
     文件        1114  2016-02-25 10:34  ConnOracleWays\ConnOracleWays\Properties\Settings.Designer.cs
     文件         249  2016-02-24 13:09  ConnOracleWays\ConnOracleWays\Properties\Settings.settings
     目录           0  2018-04-12 11:42  ConnOracleWays\ConnOracleWays\Service References\
     文件         361  2018-04-12 11:39  ConnOracleWays\ConnOracleWays\SysConfig.cs
     文件         144  2016-02-25 10:34  ConnOracleWays\ConnOracleWays\app.config
     目录           0  2016-02-25 09:21  ConnOracleWays\ConnOracleWays\bin\
     目录           0  2016-02-25 10:34  ConnOracleWays\ConnOracleWays\bin\Debug\
     文件       11776  2016-03-01 09:55  ConnOracleWays\ConnOracleWays\bin\Debug\ConnOracleWays.exe
     文件         144  2016-02-25 10:34  ConnOracleWays\ConnOracleWays\bin\Debug\ConnOracleWays.exe.config
     文件       36352  2016-03-01 09:55  ConnOracleWays\ConnOracleWays\bin\Debug\ConnOracleWays.pdb
     文件       11600  2018-04-12 11:33  ConnOracleWays\ConnOracleWays\bin\Debug\ConnOracleWays.vshost.exe
     文件         144  2016-02-25 10:34  ConnOracleWays\ConnOracleWays\bin\Debug\ConnOracleWays.vshost.exe.config
     文件         490  2012-06-06 02:06  ConnOracleWays\ConnOracleWays\bin\Debug\ConnOracleWays.vshost.exe.manifest
     目录           0  2018-04-12 11:42  ConnOracleWays\ConnOracleWays\bin\Release\
     文件        4095  2018-04-12 11:34  ConnOracleWays\ConnOracleWays\login.Designer.cs
     文件        1358  2018-04-12 11:34  ConnOracleWays\ConnOracleWays\login.cs
     文件        5817  2018-04-12 11:34  ConnOracleWays\ConnOracleWays\login.resx
     目录           0  2016-02-25 09:21  ConnOracleWays\ConnOracleWays\obj\
     目录           0  2016-02-25 09:21  ConnOracleWays\ConnOracleWays\obj\x86\
............此处省略15个文件信息