C#操作access数据库

using System;

using System.Collections.Generic;

using System.Text;

using System.Data ;

using System.Data .OleDb ;

using System.Data .SqlClient ;

namespace AutomaticText

{

class BaseClass

{

private static OleDbConnection Con()

{

string st = "provider=Microsoft.Jet.OLEDB.4.0;Data Source=diary.mdb;Jet oledb:database password=025715;";

//当数据库没有密码时：Jet oledb:database password=025715不需要

OleDbConnection con = new OleDbConnection(st);

return con;

}

/// <summary>

/// 执行查询，返回dataset

/// </summary>

/// <param name="sqlsr"></param>

/// <param name="parameter"></param>

/// <returns></returns>

public static DataSet ExcuteQuery(string sqlsr, OleDbParameter[] parameter)

{

using (OleDbConnection con = Con())

{

DataSet ds = new DataSet();

try

{

con.Open();

OleDbDataAdapter ada = new OleDbDataAdapter(sqlsr, con);

if (parameter != null)

ada.SelectCommand.Parameters.AddRange(parameter);

ada.Fill(ds);

con.Close();

}

catch (Exception ex)

{

throw ex ;

}

return ds;

}

}

public static DataSet ExcuteQuery(string sqlsr)

{

return ExcuteQuery(sqlsr, null);

}

}

}