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Сортировка в TClientDataSet
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#18+
Народ, подскажите, как можно сделать сортировку данных в TClientDataSet (без участия SQL)? Если можно - кусок кода. Пасиба. Есть такой код, но он работает немного некорректно (иногда вылазят левые записи): if((ioCur!=smNone) && (dynamic_cast<TClientDataSet*>(DBG->DataSource->DataSet)->IndexName != "")) dynamic_cast<TClientDataSet*>(DBG->DataSource->DataSet)->DeleteIndex(dynamic_cast<TClientDataSet*>(DBG->DataSource->DataSet)->IndexName); switch (ioCur) { case smUp: dynamic_cast<TClientDataSet*>(DBG->DataSource->DataSet)->AddIndex(Field->FullName, Field->FullName, TIndexOptions()<<ixDescending, "", "", 0); dynamic_cast<TClientDataSet*>(DBG->DataSource->DataSet)->IndexName = Field->FullName; SortStr = Field->FullName; ioCur = smDown; break; case smDown: if(ioCur!=smNone && dynamic_cast<TClientDataSet*>(DBG->DataSource->DataSet)->IndexName!="") dynamic_cast<TClientDataSet*>(DBG->DataSource->DataSet)->DeleteIndex(dynamic_cast<TClientDataSet*>(DBG->DataSource->DataSet)->IndexName); dynamic_cast<TClientDataSet*>(DBG->DataSource->DataSet)->IndexName=""; SortStr = Field->FullName; ioCur = smNone; break; case smNone: dynamic_cast<TClientDataSet*>(DBG->DataSource->DataSet)->AddIndex(Field->FullName, Field->FullName, TIndexOptions(), "", "", 0); dynamic_cast<TClientDataSet*>(DBG->DataSource->DataSet)->IndexName = Field->FullName; SortStr = Field->FullName; ioCur = smUp; break; } подскажите, в чем дело? ... |
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| 03.08.2004, 12:46 |
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