Search in a long field

Hi to you,

   I've a problem. I use a long field to put a String into it. Now I have to make a search in that field ... how can I do such a thing ? Thanks a lot, bye,
  Stefano

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Dott.Ing. Stefano Fronteddu (TMD)

Datanord Multimedia             E-mail: fronteddu_at_dnm.it
Via Tortona, 31                     WWW: http://www.datanord.it/

20144 Milano - Italy              Phone: +39 02 4895 61 - Fax: +39 02 489561