關于多庫操作一些想法 /// <summary>
??????? /// 功能描述:sql連接方法
??????? /// </summary>
??????? /// <returns>如果存在，返回數據庫集</returns>
??????? public static SqlConnection Sql()
??????? {
??????????? SqlConnection db = new SqlConnection(ConfigurationManager.ConnectionStrings["dbconfig"].ToString());
??????????? try
??????????? {
??????????????? db.Open();
??????????????? return db;
??????????? }
??????????? catch (Exception ex)
??????????? {
??????????????? return null;
??????????? }
??????? }

??????? /// <summary>
??????? /// 功能描述:SqlDataReader 方法
??????? /// </summary>
??????? /// <param name="str">查詢數據</param>
??????? /// <returns>返回一個數據集</returns>
??????? public static SqlDataReader sdr(string str)
??????? {
??????????? SqlConnection sql = sdb.Sql();
??????????? SqlCommand cmd = new SqlCommand(str, sql);
??????????? SqlDataReader sdr = cmd.ExecuteReader();
??????????? return sdr;
??????? }


/// <summary>
??????? /// 功能描述:odbc連接方法
??????? /// </summary>
??????? /// <returns>如果存在，返回數據庫集</returns>
??????? public static OleDbConnection odbc()
??????? {
??????????? OleDbConnection odb = new OleDbConnection(ConfigurationManager.ConnectionStrings["dbconfig"].ToString());
??????????? try
??????????? {
??????????????? odb.Open();
??????????????? return odb;
??????????? }
??????????? catch (Exception ex)
??????????? {
??????????????? return null;
??????????? }
??????? }

??????? /// <summary>
??????? /// 功能描述:OleDbDataReader 方法
??????? /// </summary>
??????? /// <param name="str">查詢數據</param>
??????? /// <returns>返回一個數據集</returns>
??????? public static OleDbDataReader oddr(string str)
??????? {
??????????? OleDbConnection odb = oldb.odbc();
??????????? OleDbCommand cmd = new OleDbCommand(str, odb);
??????????? OleDbDataReader oddr = cmd.ExecuteReader();
??????????? return oddr;
??????? }



上面一種是SQL庫的簡單操作方法，一中是ODBC的操作方法（一般用來操作ACCESS庫）

posted on 2007-07-26 13:21 RIBBIT.NET 閱讀(...) 評論(...) 編輯 收藏

轉載于:https://www.cnblogs.com/yangtutu/archive/2007/07/26/832152.html

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