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Operation cannot be performed on an open DataSet. Close the DataSet first.
om.borland.dx.dataset.DataSetException: Operation cannot be performed on an open DataSet. Close the DataSet first. at com.borland.dx.dataset.DataSetException.c(Unknown Source) at com.borland.dx.dataset.DataSetException.y(Unknown Source) at com.borland.dx.dataset.StorageDataSet.s(Unknown Source) at com.borland.dx.dataset.ProviderHelp.failIfOpen(Unknown Source) at com.borland.dx.sql.dataset.QueryDataSet.setQuery(Unknown Source) at release0.Applet1.jButton1_actionPerformed(Applet1.java:154) at release0.Applet1$1.actionPerformed(Applet1.java:66) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1450) at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(AbstractButton.java:1504) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:378) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:250) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:216) at java.awt.Component.processMouseEvent(Component.java:3717) at java.awt.Component.processEvent(Component.java:3546) at java.awt.Container.processEvent(Container.java:1167) at java.awt.Component.dispatchEventImpl(Component.java:2595) at java.awt.Container.dispatchEventImpl(Container.java:1216) at java.awt.Component.dispatchEvent(Component.java:2499) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:2458) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:2223) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:2132) at java.awt.Container.dispatchEventImpl(Container.java:1203) at java.awt.Component.dispatchEvent(Component.java:2499) at java.awt.EventQueue.dispatchEvent(EventQueue.java:336) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:134) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:101) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:96) at java.awt.EventDispatchThread.run(EventDispatchThread.java:88)