ASP.NET[C#]的ACCESS数据库操作类

      //网上很多都是操作SQL SER 的，整理了一下，不是很完善，但不影响使用，呵呵……
       //private string datapatch = ConfigurationSettings.AppSettings["acessconn"];//数据库地址
                                   
        private string datapatch = "db/global.asa";//数据库地址
        ///
        /// 取得dataset
        ///
        /// 查询语句
        ///
        public  DataSet GetDataSet(string Commandtext)
        {       

            string strConnection = "Provider=Microsoft.Jet.OLEDB.4.0; " +
                   "Data Source=" + Server.MapPath(datapatch,',',');
            string strCommandText = Commandtext;

            OleDbConnection myConnection = new OleDbConnection(strConnection,',',');
            myConnection.Open(,',',');

            OleDbDataAdapter myAdpater = new OleDbDataAdapter(strCommandText,myConnection,',',');

            OleDbCommandBuilder myBuilder = new OleDbCommandBuilder(myAdpater,',',');

            DataSet myDataset = new DataSet(,',',');

            myAdpater.Fill(myDataset,',',');
           
            myConnection.Close(,',',');
            return myDataset;
        }
        ///
        /// 取得表
        ///
        /// 查询语句
        ///
        public  DataTable GetDataTable(string Commandtext)
        {       

            string strConnection = "Provider=Microsoft.Jet.OLEDB.4.0; " +
                "Data Source=" + Server.MapPath(datapatch,',',');
            string strCommandText =Commandtext;

            OleDbConnection myConnection = new OleDbConnection(strConnection,',',');
            myConnection.Open(,',',');

            OleDbDataAdapter myAdpater = new OleDbDataAdapter(strCommandText,myConnection,',',');

            OleDbCommandBuilder myBuilder = new OleDbCommandBuilder(myAdpater,',',');

            DataSet myDataset = new DataSet(,',',');

            myAdpater.Fill(myDataset,',',');

            DataTable mytable = myDataset.Tables[0];

            myConnection.Close(,',',');
            return mytable;
        }
        ///
        /// 取得某行的某列的值
        ///
        /// 列的名称
        /// 所属表名
        /// 表的主键
        /// 列所属的主键值
        ///
        public  string GetDataColum(string strColumnName,string strTableName,string strColumnkey,string strColumnValue)
        {       

            string strConnection = "Provider=Microsoft.Jet.OLEDB.4.0; " +
                "Data Source=" + Server.MapPath(datapatch,',',');
            string strCommandText = "select "+strColumnName+","+strColumnkey+" from "+strTableName;
           
            OleDbConnection myConnection = new OleDbConnection(strConnection,',',');
            myConnection.Open(,',',');

            OleDbDataAdapter myAdpater = new OleDbDataAdapter(strCommandText,myConnection,',',');

            OleDbCommandBuilder myBuilder = new OleDbCommandBuilder(myAdpater,',',');

            DataSet myDataset = new DataSet(,',',');

            myAdpater.MissingSchemaAction = MissingSchemaAction.AddWithKey;
           
            myAdpater.Fill(myDataset,',',');
           
            myConnection.Close(,',',');
           
            DataTable mytable = myDataset.Tables[0];
            DataRow mydr = mytable.Rows.Find(strColumnValue,',',');
            string mydc = mydr[strColumnName].ToString(,',',');
           
           
            return mydc;
        }
       

        ///
        /// 更新某个字段
        ///
        /// 要更新字段名称
        /// 要更新的值
        /// 所属表名称
        /// 表中KEY
        /// 表中KEY的值
        public  void UpdateColum(string strColumnName,string strValue,string strTableName,string strColumnKey,string strColumnValue)
        {       

            string strConnection = "Provider=Microsoft.Jet.OLEDB.4.0; " +
                "Data Source=" + Server.MapPath(datapatch,',',');
            string strCommandText = "select "+strColumnKey+","+strColumnName+" from "+strTableName;
           
            OleDbConnection myConnection = new OleDbConnection(strConnection,',',');
            myConnection.Open(,',',');

            OleDbDataAdapter myAdpater = new OleDbDataAdapter(strCommandText,myConnection,',',');

            OleDbCommandBuilder myBuilder = new OleDbCommandBuilder(myAdpater,',',');

            DataSet myDataset = new DataSet(,',',');
           
           
            myAdpater.MissingSchemaAction = MissingSchemaAction.AddWithKey;

            myAdpater.Fill(myDataset,strTableName,',',');
           
            DataRow drFindRow = myDataset.Tables[strTableName].Rows.Find(strColumnValue,',',');
 
            drFindRow[strColumnName] = strValue;
           
           
           
            myAdpater.Update(myDataset,strTableName,',',');
           
            myConnection.Close(,',',');
           
        }

        ///
        /// 添加行
        ///
        /// 此行中的字段集合
        /// 此行中的字段集合的对应值
        /// 所属表名称
        /// 表中主键

        public  void AddRow(string[]columns,string[]columnvalue,string strTableName,string strColumnKey)
        {       
           
            string strConnection = "Provider=Microsoft.Jet.OLEDB.4.0; " +
                "Data Source=" + Server.MapPath(datapatch,',',');

            string strColumnCount = "";
            foreach(string thiscolunmname in columns)
            {
                strColumnCount = thiscolunmname+","+strColumnCount;
            }

            string strCommandText = "select "+strColumnCount+strColumnKey+" from "+strTableName;
           
            OleDbConnection myConnection = new OleDbConnection(strConnection,',',');
            myConnection.Open(,',',');

            OleDbDataAdapter myAdpater = new OleDbDataAdapter(strCommandText,myConnection,',',');

            OleDbCommandBuilder myBuilder = new OleDbCommandBuilder(myAdpater,',',');

            DataSet myDataset = new DataSet(,',',');
           
           
            myAdpater.Fill(myDataset,strTableName,',',');
       
            DataRow newrow = myDataset.Tables[strTableName].NewRow(,',',');
           
            for(int i=0;i<columns.Length;i++)
            {
                string strColumnName = columns[i].ToString(,',',');

                newrow[strColumnName] = columnvalue[i].ToString(,',',');
            }
               
           
            myDataset.Tables[strTableName].Rows.Add(newrow,',',');
           
            myAdpater.Update(myDataset,strTableName,',',');
           
            myConnection.Close(,',',');
           
        }
///
/// 更新数据行
///
/// 要更新的列集合
/// 要更新的列集合的对应值
/// 所属表名称
/// 表主键
/// 行所属的ＩＤ
        public  void updateRow(string[]columns,string[]columnvalue,string strTableName,string strColumnKey,string strColumnValue)
        {       

            string strConnection = "Provider=Microsoft.Jet.OLEDB.4.0; " +
                "Data Source=" + Server.MapPath(datapatch,',',');

            string strColumnCount = "";
            foreach(string thiscolunmname in columns)
            {
                strColumnCount = thiscolunmname+","+strColumnCount;
            }

            string strCommandText = "select "+strColumnCount+strColumnKey+" from "+strTableName;
           
            OleDbConnection myConnection = new OleDbConnection(strConnection,',',');
            myConnection.Open(,',',');

            OleDbDataAdapter myAdpater = new OleDbDataAdapter(strCommandText,myConnection,',',');

            OleDbCommandBuilder myBuilder = new OleDbCommandBuilder(myAdpater,',',');

            DataSet myDataset = new DataSet(,',',');
           
            myAdpater.MissingSchemaAction = MissingSchemaAction.AddWithKey;
            myAdpater.Fill(myDataset,strTableName,',',');
       
            DataRow updaterow = myDataset.Tables[strTableName].Rows.Find(strColumnValue,',',');
           
            for(int i=0;i<columns.Length;i++)
            {
                string strColumnName = columns[i].ToString(,',',');

                updaterow[strColumnName] = columnvalue[i].ToString(,',',');
            }
           
           
            myAdpater.Update(myDataset,strTableName,',',');
           
            myConnection.Close(,',',');
           
        }

　
        ///
        /// 删除行
        ///
        /// 所属表
        /// 主键字段名
        /// 此行主键值
        public  void delectRow(string strTableName,string strColumnKey,string strColumnValue)
        {       

            string strConnection = "Provider=Microsoft.Jet.OLEDB.4.0; " +
                "Data Source=" + Server.MapPath(datapatch,',',');

            string strCommandText = "select "+strColumnKey+" from "+strTableName;
           
            OleDbConnection myConnection = new OleDbConnection(strConnection,',',');
            myConnection.Open(,',',');

            OleDbDataAdapter myAdpater = new OleDbDataAdapter(strCommandText,myConnection,',',');

            OleDbCommandBuilder myBuilder = new OleDbCommandBuilder(myAdpater,',',');