<p>Good evening!</p>
<p>I need your help again!</p>
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<p>I have one DataSet where I have two parameters, which should be optional. User can choose either the first one, or the second, or both. But in the case when one of the parameters is null – the report doesn’t work, for the query is built upon them both, the table simply doesn’t exist.</p>
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<p>Generally, I need to build a report, which must work like a search engine: the result should be correspondent to the search criteria, it must provide so-called “sorted†data, where user can get different results based on different parameters.</p>
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<p>Is there a way to achieve this goal??? </p>
