一区二区久久-一区二区三区www-一区二区三区久久-一区二区三区久久精品-麻豆国产一区二区在线观看-麻豆国产视频

asp.net(C#) Access 數據操作類

復制代碼 代碼如下:
using System;
using System.Configuration;
using System.Data;
using System.Data.OleDb;
using System.Xml;
using System.Collections;
namespace Website.Command
{
/// <summary>
/// WSplus 的摘要說明。
/// </summary>
public class AccessClass : System.Web.UI.Page
{
private static OleDbConnection sconn = null;
public static string _returnValue = "0";
public WSplus()
{
//
// TODO: 在此處添加構造函數邏輯
//
sconn = new OleDbConnection("Provider="Microsoft.Jet.OLEDB.4.0;Data" Source=" + Server.MapPath("/..db.mdb") + ";");
}
/// <summary>
///開啟數據
/// </summary>
private static void connOpen()
{
if (sconn.State="=ConnectionState.Closed)"
try
{
sconn.Open();
}
catch (Exception ex)
{
throw new Exception("數據庫初始化錯誤!!!"+ex.Message);
}
}
/// <summary>
/// 關閉數據庫
/// </summary>
public void connClose()
{
if (sconn.State ="=" ConnectionState.Open)
try
{
sconn.Close();
}
catch (Exception ex)
{
throw new Exception("OleDb Close Error!"+ex.Message);
}
}
/// <summary>
/// 存儲過程型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>
/// 數據操作
/// </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語句型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;
}
}
}
}

AspNet技術asp.net(C#) Access 數據操作類,轉載需保留來源!

鄭重聲明:本文版權歸原作者所有,轉載文章僅為傳播更多信息之目的,如作者信息標記有誤,請第一時間聯系我們修改或刪除,多謝。

主站蜘蛛池模板: 伊人精品国产 | 国语自产精品视频在线第 | 黄色网络在线观看 | g0g0亚洲大胆肉体艺术 | 午夜视频免费在线播放 | 久久青青草原热精品 | 国产免费私拍一区二区三区 | 在线亚洲精品中文字幕美乳 | 国产日韩91 | 亚洲精品午夜视频 | 加勒比一本大道在线 | 欧美激情a∨在线视频播放 欧美激情不卡 | 超级香蕉97视频在线观看一区 | 国产在线精品观看 | 国产福利免费看 | 婷婷激情四射网 | 亚洲大片免费观看 | 最近最新中文字幕在线第一页 | 国产精品久久久久999 | 国产成人资源 | 91精品91久久久 | 午夜久久网 | 亚洲综合网国产福利精品一区 | 美女张腿男人桶免费视频 | 国产夫妻精品 | 四虎在线精品免费高清在线 | 国产成人欧美 | 一级毛片成人免费看免费不卡 | 2021精品国夜夜天天拍拍 | www.99爱| 思思久久q6热在精品国产 | 免费大片黄在线观看yw | 四虎永久在线精品免费影视 | 色呦呦在线播放 | 亚洲一区二区三区中文字幕5566 | 国产xh98hx在线观看 | 国产一级特黄在线播放 | 伊人99在线| 久久免费福利视频 | 国产精品视频免费视频 | 天天拍夜夜添久久精品中文 |