Re: QueryDataSet: How to do "trial" query and accept or decline

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#217

From: Mehmet F. Erten
Date: Wed, 19 Jul 2006 14:01

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Hi,
Try this.

hasmap or treemap myMap
myMap.put("OLD", currentQueryDataSet)
currentQueryDataSet = new QueryDataSet(with the new Query String).
If you don't like it. (if getRowCouunts == 0)
currentQueryDataSet = (QueryDataSet) myMap.get("OLD");

"John T. Dow" <jo
hn@johntdow.com> wrote in message 
news:Xns98053677CC68Cjohnjohntdowcom@207.105.83.66...
> Is it possible to change a querydataset's query string and execute the
> query, and then revert to the original query string with the original rows
> and cursor position without having to reexecute with the original query
> string?
>
> I have an application where the user can easily create new queries on the
> fly. As I have developed it so far, if the user tries a new query, he 
> loses
> the old. I would like to be able to revert to the old query, for example 
> if
> the new query fails to find any rows.
>
> Is it possible to do something clever like saving the original
> QueryProvider? Can you clone the entire qds, change the query string etc,
> and then if you like the outcome substitute the new qds for the old?
>
> John

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Subject: Re: QueryDataSet: How to do "trial" query and accept or decline
From: "Mehmet F. Erten" <mehmet_erten@mblsoft.com>
Date: Wed, 19 Jul 2006 10:01:52 -0400
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