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undefined variable or class name: dataSet

I am performing tutorial 3. whenever I start script Scrape Search Result
I got this following error message.

Attempt to invoke method: getNumDataRecords() on undefined variable or class name: dataSet : at Line: 1.

Please help me about this error.

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sarb on 09/16/2006 at 10:12 pm

javascript:emoticon(':D')

I am glad. I have done third tutorial of Screen-Scrapping successfully.

 sarb on 09/17/2006 at 8:18 am