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标题: 动态连接数据库代码怎么写。 [打印本页]

作者: 805847797 时间: 2012-12-4 11:33
标题: 动态连接数据库代码怎么写。
lr_db_connect("StepName=Connect",

"ConnectionString=Provider=OraOLEDB.Oracle.1, Data Source=192.168.0.119:119:1521/tydb; Persist Security Info=True; User ID=tyrcptest

assword=tyrcptest",

      "ConnectionName=tydb",

      "ConnectionType=OLEDB",

LAST );

NumRows = lr_db_executeSQLStatement("StepName=PerformQuery",
                                       "ConnectionName=InvDatabaseConnection",
                                       "SQLStatement=SELECT cons_no,cons_id FROM c_cons where rownum<10",
                                       "DatasetName=MyDataset",
                                       LAST);
   lr_output_message("The query returned %d rows.", "NumRows");

   //打印出结果
   lr_db_dataset_action("StepName=PrintDataset",
                        "DatasetName=MyDataset",
                        "Action=PRINT",
                        LAST);

   //利用循环检索数据值
   while (i<10) {
      lr_db_getvalue("StepName=GetValue",
                     "DatasetName=MyDataset",
                     "Column=CONS_NO",
                     "Row=next",
                     "OutParam=MyOutputParam",
                     LAST);
      lr_output_message("The value is: %s", lr_eval_string("{MyOutputParam}") );
      i=i+1; }

      //释放结果
         lr_db_dataset_action("StepName=RemoveDataset",
                        "DatasetName=MyDataset",
                        "Action=REMOVE",
                        LAST);

   //断开数据库连接
   lr_db_disconnect("StepName=Disconnect",
                     "ConnectionName=InvDatabaseConnection",
                     LAST);
return 0;
}

上面的代码报错，错误: C 解释器运行时错误: vuser_init.c (14):  Error -- Unresolved symbol : lr_db_connect。

作者: aspstar 时间: 2012-12-4 11:34
这样连接数据库要用web_service协议

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