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           string sConnectionString;

            // 鏈接字符串，根據(jù)實(shí)際情況修改

            sConnectionString = "Password=;User ID=sa;"
                + "Initial Catalog=pubs;"
                + "Data Source=(local)";

            SqlConnection objConn
                = new SqlConnection(sConnectionString);
            objConn.Open();

            // 創(chuàng)建DataAdapter實(shí)例

            SqlDataAdapter daAuthors
                = new SqlDataAdapter("Select * From Authors", objConn);