Why can't we display data in descending order in Delphi?
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Answer / Hansraj Meena
In Delphi, when you want to sort data in descending order, you should use the ODSortField or ODSortFields property of TDataSource and specify DESC instead of ASC for the sort direction.
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When I try to execute sql query from delphi7 it throws the following exception ORA-01704: string literal too long. I know the reason why its throwing this exception. My problem is.... I have catched this exception throw Try.... Except block.....In except block i am performing rollback..... due to above error its also throwing exception in rollback transaction...........due to rollback exception...........it had created some problem in connection...........every time when i try to open or close a connection it throws an exception " Operation is not allowed when the object is open"
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