当前位置: 首页 > 图文教程 > 网络编程 > ASP.NET > asp.net(C#) Access 数据操作类

ASP.NET
FreeTextBox(版本3.1.6)在ASP.Net 2.0中使用方法
.NET 常用功能和代码小结
在 .NET Framework 2.0 中未处理的异常导致基于 ASP.NET 的应用程序意外退出
asp.net IList查询数据后格式化数据再绑定控件
asp.net sql存储过程
asp.net 简单实现禁用或启用页面中的某一类型的控件
asp.net(c#)获取内容第一张图片地址的函数
The remote procedure call failed and did not execute的解决办法
ASP.NET 在线文件管理
asp.net 读取并修改config文件实现代码
ASP.NET Cookie 操作实现
asp.net Silverlight中的模式窗体
Silverlight中动态获取Web Service地址
asp.net Silverlight应用程序中获取载体aspx页面参数
asp.net 水晶报表隔行换色实现方法
asp.net 获取Gridview隐藏列的值
手动把asp.net的类生成dll文件的方法
asp.net 使用ObjectDataSource控件在ASP.NET中实现Ajax真分页
动态指定任意类型的ObjectDataSource对象的查询参数
asp.net Md5的用法小结

ASP.NET 中的 asp.net(C#) Access 数据操作类


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-09-13   浏览: 94 ::
收藏到网摘: n/a

asp.net(C#) Access 数据操作类 实现代码,有需要这方面的朋友可以熟悉下。
复制代码 代码如下:

using System;
using System.Configuration;
using System.Data;
using System.Data.OleDb;
using System.Xml;
using System.Collections;
namespace Website.Command
{
/// <summary>
/// WSplus 的摘要说明。
/// </summary>
public class AccessClass : System.Web.UI.Page
{
private static OleDbConnection sconn = null;
public static string _returnValue = "0";
public WSplus()
{
//
// TODO: 在此处添加构造函数逻辑
//
sconn = new OleDbConnection("Provider="Microsoft.Jet.OLEDB.4.0;Data" Source=" + Server.MapPath("/..db.mdb") + ";");
}
/// <summary>
///开启数据
/// </summary>
private static void connOpen()
{
if (sconn.State="=ConnectionState.Closed)"
try
{
sconn.Open();
}
catch (Exception ex)
{
throw new Exception("数据库初始化错误!!!"+ex.Message);
}
}
/// <summary>
/// 关闭数据库
/// </summary>
public void connClose()
{
if (sconn.State ="=" ConnectionState.Open)
try
{
sconn.Close();
}
catch (Exception ex)
{
throw new Exception("OleDb Close Error!"+ex.Message);
}
}
/// <summary>
/// 存储过程型CMD初始化!
/// </summary>
/// <param name="ht"></param>
/// <param name="sCmd"></param>
/// <param name="proc"></param>
private static void ConfigCMD(Hashtable ht,OleDbCommand sCmd,string sqls)
{
if (sCmd ="=" null) throw new ArgumentException("sCmd未初始化");
if (ht != null && ht.Count != 0)
{
IDictionaryEnumerator items = ht.GetEnumerator();
while (items.MoveNext())
sCmd.Parameters.Add(MakeParam(items.Key.ToString(),items.Value.ToString()));
}
sCmd.Connection = sconn;
sCmd.CommandText = sqls;
}
private static void ConfigCMD(ArrayList alist,OleDbCommand sCmd,string sqls)
{
if (sCmd ="=" null) throw new ArgumentException("sCmd未初始化");
if (alist != null && alist.Count != 0)
{
foreach (object items in alist)
{
Command.Model.typeFiles cmt = (Command.Model.typeFiles)items;
sCmd.Parameters.Add(MakeParam(cmt.Fkey.ToString(),cmt.Fvalue1.ToString(),cmt.Fvalue2.ToString()));
}
}
sCmd.Connection = sconn;
sCmd.CommandText = sqls;
}
private static OleDbParameter MakeParam(string key,string value)
{
return new OleDbParameter(key,value);
}
private static OleDbParameter MakeParam(string key,string F1,string F2)
{
OleDbParameter par = null;
if (F2.ToUpper() ="=" "STRING")
{
par = new OleDbParameter(key,OleDbType.VarChar);
}
else if (F2.ToUpper() ="=" "INTEGER")
{
par = new OleDbParameter(key,OleDbType.Integer);
}
else if (F2.ToUpper() ="=" "LSTRING")
{
par = new OleDbParameter(key,OleDbType.LongVarChar);
}
// try
// {
par.Value = F1;
// }
// catch(Exception e)
// {
// throw new Exception(e.Message + " " + key + " " + F1 + " " + F2);
// }
return par;
}
public void ExecConfig(Hashtable ht,string sqls)
{
OleDbCommand cmd="new OleDbCommand();
connOpen();
ConfigCMD(ht,cmd,sqls);
ExecuteNonQuery(cmd);
}
public void ExecConfig(ArrayList alist,string sqls)
{
OleDbCommand cmd="new OleDbCommand();
connOpen();
ConfigCMD(alist,cmd,sqls);
ExecuteNonQuery(cmd);
}
/// <summary>
/// 数据操作
/// </summary>
/// <param name="cmd"></param>
private static void ExecuteNonQuery(OleDbCommand cmd)
{
Command.AccessClass cw = new AccessClass();
try
{
_returnValue = cmd.ExecuteNonQuery().ToString();
}
catch (Exception e) {throw new Exception("Run Exec Error!"+e.Message);}
finally
{
cmd.Parameters.Clear();
cw.connClose();
}
}
/// <summary>
/// sql语句型datatable
/// </summary>
/// <param name="sqls"></param>
/// <returns></returns>
public DataTable ReturnDatatableBySql(Hashtable ht,string sqls)
{
DataTable dt="new DataTable();
OleDbCommand cmd="new OleDbCommand();
ConfigCMD(ht,cmd,sqls);
OleDbDataAdapter sda="new OleDbDataAdapter(cmd);
sda.Fill(dt);
cmd.Parameters.Clear();
return dt;
}
public OleDbDataReader getReader(Hashtable ht,string sqls)
{
connOpen();
OleDbCommand cmd="new OleDbCommand();
ConfigCMD(ht,cmd,sqls);
OleDbDataReader reader = cmd.ExecuteReader();
return reader;
//reader.Close();
//cmd.Parameters.Clear();
//connClose();
}
public OleDbDataReader getReader(ArrayList alist,string sqls)
{
connOpen();
OleDbCommand cmd="new OleDbCommand();
ConfigCMD(alist,cmd,sqls);
OleDbDataReader reader = cmd.ExecuteReader();
return reader;
//reader.Close();
//cmd.Parameters.Clear();
//connClose();
}
public string ReturnValue
{
get
{
return _returnValue;
}
set
{
_returnValue = value;
}
}
}
}
"