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Datagridview - always selects first row - how can I stop this

Posted on 2006-11-08
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Last Modified: 2008-02-01

hi there

Whenever I load data into a datagridview the first row is always selected.  In VB6 days on an MSflexgrid there used to be a highlight on focus command where a row only become selected when a user clicked on the row.

How can I emulate this behaviour?

many thanks!!
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Question by:DavidGreenfield
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3 Comments
 
LVL 34

Expert Comment

by:Sancler
ID: 17896826
One way of doing this - I'm not saying it's the only one, but I haven't found a better - is to add a "dummy" column at column index 0.  Set its minimum width as 2 (which is the smallest allowed for a "visible" column) and its actual width as 2 and all its fore and backcolor properties to Control on the System Colors tab.  Then make sure that the DataGridView's SelectionMode is set to CellSelect.

What then happens is that although the top left cell is then "selected" by default, it is so small that the user can hardly see it and, in any event, its color shows no indication of that selection: it just looks like a slightly wider border on the left edge of the grid.

Then, as soon as a "real" cell is clicked, you can reset selection mode to FullRowSelect if that is what you prefer.

Obviously, you will also then need to take account of the extra column in any code which relies on column indexes.

Roger
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Kinger247 earned 2000 total points
ID: 17896858
Put this in your DataGridView resize event:

        Try
            DataGridView.Rows(DataGridView.CurrentRow.Index).Selected = False
        Catch
        End Try
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LVL 34

Expert Comment

by:Sancler
ID: 17897045
That is a better way ;-)

Although it doesn't work for me in resize, it does once the binding is complete.

Roger
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