Programmatically resize DataGridView to remove scroll bars.

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I have a DataGridView with a user definable number of columns (anywhere from ~6-60) of numerical data. At the higher end that amount of data in the grid exceeds that which can be displayed on screen at once. I have a graph that goes with the data. I would like to keep the two in sync, so that a specific time T on the graph is in line vertically with the same time in the grid.

To do this I'd like to make the DataGridView just wide enough to avoid a scroll bar, have the graph be equally wide, and then offload the scrolling onto a container control. However, I can't find a way to directly get the width I'd need to set the DataGridView to in order to remove the scroll bar from it.

Posted 11-Jul-11 4:16am

Dan Neely

Updated 11-Jul-11 9:19am

Chris Maunder775.6K

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wizardzz 11-Jul-11 10:27am

Good question, I've never had to do this but I'm curious how.

wizardzz 11-Jul-11 16:25pm

Are the dynamically added columns of a fixed width? Could you force them to be?

Dan Neely 11-Jul-11 17:01pm

They are fixed width.

wizardzz 11-Jul-11 17:07pm

Is it possibly to just calculate numbers of columns by the fixed widths + a fixed buffer? Obviously I'm not sure if this would work so I'm putting it as a comment, not solution. I think I may have hacked something like that together in the past.

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Solution 1

Seems like, you can have your chart and DataGridView fixed sized, and just use the AutoSizeColumnMode to fit the columns in view without scrollbar.
http://msdn.microsoft.com/en-us/library/system.windows.forms.datagridview.autosizecolumnsmode.aspx[^]

Posted 11-Jul-11 20:10pm

Prerak Patel

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Dan Neely 12-Jul-11 8:42am

That's not a suitable option. At the high end a scroll bar is needed to give enough space to allow the columns to be big enough to show the numbers. At the low end having 6 2" wide columns that are 90% empty and of which only 3 are visible isn't acceptable either.

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Dan Neely · Accepted Answer · 2011-07-13T03:55:00

Wizardzz was on the right track; I got this from another site:

/// <summary>
/// Return the minimum width in pixels a DataGridView can be before the control's vertical scrollbar would be displayed.
/// </summary>
private int GetDataGridViewMinWidth(DataGridView dataGridView) {
    // Add two pixels for the border for BorderStyles other than None.
    var controlBorderWidth = (dataGridView.BorderStyle == BorderStyle.None) ? 0 : 2;

    // Return the width of all columns plus the row header, and adjusted for the DataGridView's BorderStyle.
    return dataGridView.Columns.GetColumnsWidth(DataGridViewElementStates.Visible) + dataGridView.RowHeadersWidth + controlBorderWidth;
}

Programmatically resize DataGridView to remove scroll bars.

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Programmatically resize DataGridView to remove scroll bars.

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