memdataset record pointer
lazarus / 16-Databases

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Packs · 2023-07-29 04:02

I have memdataset and grid and navigation bar

all are connected with each other . when I move record pointer from
one record to another record grid and navigation bar both are working
,
but when I try to access mem.fieldbyname('column1').asstring it is
showing always first record .

why memdataset pointer is not moving .

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GAN · 2023-07-29 05:40

Because you need to select the record in the grid (click) or select it
by the dataset.
The easiest way: click it.

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Packs · 2023-07-29 06:24

Yes . I have done it .
    DBGrid_cheque.DataSource.DataSet.GotoBookmark(
      Pointer(DBGrid_cheque.SelectedRows.Items[0]));

This type of issue I have never face in delphi .

Technically it should work because dataset is link with grid .

when grid record pointer move dataset pointer should move .

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wp · 2023-07-29 08:53

I am attaching a simple demo with Memdataset, DBGrid and DBNavigator
which behaves as expected.

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Packs · 2023-07-30 06:51

Thanks for the code