高手请解释含义！！！！！急啊！！在线等待

楼主发表于：2010-05-13 18:25:31using System;
using System.Collections.Generic;
using System.Text;

namespace 人力资源管理系统
{
  class DataBase:IDisposable
  {
  private SqlConnection SqlConn;
  public static string sConn = "Persist Security Info=False;Integrated Security" + "=SSPI;database=hrmbook;server=192.168.10.2;Connect Timeout=30";
  public void Dispose()
  {
  Dispose(true);
  GC.SuppressFinalize(true);
  }
  protected void Dispose(bool disposing)
  {
  if (disposing)
  return;
  if (SqlConn != null)
  {
  SqlConn.Dispose();
  SqlConn = null;
  }
  }
  public void Open()
  {
  if (SqlConn == null)
  {
  SqlConn = new SqlConnection(sConn);
  SqlConn.Open();
  }
  }
  public void Close()
  {
  if (SqlConn != null)
  SqlConn.Close();
  }
  public DataView RunSelectSQL(string sSQLString)
  {
  this.Open();
  DataSet SqlDS = new DataSet();
  SqlDataAdapter SqlDA = new SqlDataAdapter(sSQLString, this.SqlConn);
  SqlDA.Fill(SqlDS);
  return SqlDS.Tables[0].DefaultView;
  }
  public void RunDelOrInsSQL(string sSQLString)
  {
  this.Open();
  SqlCommand SqlComm = new SqlCommand(sSQLString, this.SqlConn);
  SqlComm.ExecuteNonQuery();
  }
  }
}
--------------------编程问答-------------------- 哪不明白？不会是全部的吧？

--------------------编程问答-------------------- 数据库操作，，， --------------------编程问答-------------------- using System.Collections.Generic;
using System.Text;

namespace 人力资源管理系统
{
  class DataBase:IDisposable
  {
  private SqlConnection SqlConn;
  public static string sConn = "Persist Security Info=False;Integrated Security" + "=SSPI;database=hrmbook;server=192.168.10.2;Connect Timeout=30";
  public void Dispose()
  {
  Dispose(true);  //调用下面的带参数的Dispose(bool disposing)方法
  GC.SuppressFinalize(true);
  }
  protected void Dispose(bool disposing)
  {
  if (disposing)  //如果传的参数为True，则跳出方法
  return;
  if (SqlConn != null)
  {
  SqlConn.Dispose();  //如果数据库连接对象不为空，那么释放连接对象
  SqlConn = null;
  }
  }
  public void Open()
  {
  if (SqlConn == null)//如果数据库连接对象不为空，则打开连接对象
  {
  SqlConn = new SqlConnection(sConn);    SqlConn.Open();
  }
  }
  public void Close()//如果数据库连接对象不为空，则关闭连接对象
  {
  if (SqlConn != null)
  SqlConn.Close();
  }
  public DataView RunSelectSQL(string sSQLString)//从数据库中读取数据
  {
  this.Open();
  DataSet SqlDS = new DataSet();
  SqlDataAdapter SqlDA = new SqlDataAdapter(sSQLString, this.SqlConn);
  SqlDA.Fill(SqlDS);
  return SqlDS.Tables[0].DefaultView;
  }
  public void RunDelOrInsSQL(string sSQLString)//执行SQL语句
  {
  this.Open();
  SqlCommand SqlComm = new SqlCommand(sSQLString, this.SqlConn);
  SqlComm.ExecuteNonQuery();
  }
  }
}
--------------------编程问答-------------------- using System.Collections.Generic;
using System.Text;

namespace 人力资源管理系统
{
  class DataBase:IDisposable
  {
  private SqlConnection SqlConn;
  public static string sConn = "Persist Security Info=False;Integrated Security" + "=SSPI;database=hrmbook;server=192.168.10.2;Connect Timeout=30";
  public void Dispose()
  {
  Dispose(true);  //调用下面的带参数的Dispose(bool disposing)方法
  GC.SuppressFinalize(true);
  }
  protected void Dispose(bool disposing)
  {
  if (disposing)  //如果传的参数为True，则跳出方法
  return;
  if (SqlConn != null)
  {
  SqlConn.Dispose();  //如果数据库连接对象不为空，那么释放连接对象
  SqlConn = null;
  }
  }
  public void Open()
  {
  if (SqlConn == null)//如果数据库连接对象不为空，则打开连接对象
  {
  SqlConn = new SqlConnection(sConn);    SqlConn.Open();
  }
  }
  public void Close()//如果数据库连接对象不为空，则关闭连接对象
  {
  if (SqlConn != null)
  SqlConn.Close();
  }
  public DataView RunSelectSQL(string sSQLString)//从数据库中读取数据
  {
  this.Open();
  DataSet SqlDS = new DataSet();
  SqlDataAdapter SqlDA = new SqlDataAdapter(sSQLString, this.SqlConn);
  SqlDA.Fill(SqlDS);
  return SqlDS.Tables[0].DefaultView;
  }
  public void RunDelOrInsSQL(string sSQLString)//执行SQL语句
  {
  this.Open();
  SqlCommand SqlComm = new SqlCommand(sSQLString, this.SqlConn);
  SqlComm.ExecuteNonQuery();
  }
  }
}
--------------------编程问答-------------------- ADO.NET数据库操作
看msdn
http://msdn.microsoft.com/zh-cn/library/e80y5yhx(VS.80).aspx --------------------编程问答-------------------- 解释啥？

补充：.NET技术 ,  C#