如何在Delphi 7中运行更新查询时解决闭合数据集错误？

I keep getting an error in Delphi 7 with my application that uses the Microsoft Jet engine and a Microsoft Access (*.mdb) database. I am making the connection via a TADOQuery component. The error says 'Cannot perform this operation on a closed dataset' and happens only in one event handler when trying to execute an UPDATE query:I keep getting an error in Delphi 7 with my app