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How can 'Group By' on a ultrawingrid column?

开发者_开发技巧On the control appears a feature saying 'Drag a column header to gorup by that column'. Can i do that programmatically. Are there any properties or do I need to embed SQL statements?

Thanks, Sun


You need to add the column to the SortedColumns collection in the band:

    private void SwitchGroupByFor(string key) //key stands for the ultragridcolumn key
    {
        var band = grid.DisplayLayout.Bands[0];
        var sortedColumns = band.SortedColumns;

        sortedColumns.Add(key, false, true); //last flag indicates is a group by column
    }

hth


Take a look here : http://forums.infragistics.com/forums/p/2418/15231.aspx#15231 and here : http://forums.infragistics.com/forums/t/5928.aspx

These lines are the one that do the magic : grid1.DisplayLayout.ViewType = ViewType.OutlookGroupBy; grid1.Rows.Band.Columns[0].IsGroupByColumn = true; grid1.Rows.Band.Expandable = Expandable.Yes;


Just thought I'd also note that if you want to clear the group by here is how: myGrid.Rows.Band.SortedColumns.Clear()

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