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Move to data set record
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Topic: Move to data set record (Read 4331 times)
classic12
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Move to data set record
«
on:
November 22, 2011, 11:35:41 PM »
iOS app
I can use a next / prev button to step through the data set And get the populated strong grid's index to follow. I now need to do the reverse.
I have a string grid that populates with data from mydataset
I am trying to set the row index on the data set to match the selected index in the string grid. Ie as the grid scrolls or a row is selected in the string grid all the data in the edits are moved accordingly.
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D.Tkalcec (RTC)
Administrator
Posts: 1881
Re: Move to data set record
«
Reply #1 on:
November 23, 2011, 12:03:18 AM »
I'm not entirely sure what you mean, but if you are asking how to move directly to a specific row inside a TRtcDataSet without using First/Prior/Next/Last, the answer is to use the "Row" property (zero-indexed, just like RTC arrays, so the first row is actually 0 and not 1).
To check the current row number in a TRtcDatSet, simply read its "Row" property (first record is on Row=0, last record is on Row=RecordCount-1).
To move to a specific row number in a TRtcDataSet, set the its "Row" property to the record number (also using 0 as the first record and so forth).
Best Regards,
Danijel Tkalcec
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