RE: Sort numerical list data

[Ishai Sagi]

Is the data column typed? If it is just a text column it would sort as text.


[Description: Description: Description: C:\Users\Brian\Pictures\EXD 
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From: ozmoss-boun...@ozmoss.com [mailto:ozmoss-boun...@ozmoss.com] On Behalf Of 
Paul Noone
Sent: Friday, 16 March 2012 09:37
To: ozMOSS (ozmoss@ozmoss.com)
Subject: Sort numerical list data

Hi all,
I've written an event for my grid column headers which alpha sorts nicely. 
However columns containing numerical data do not sort numerically. Is there a s 
specific method required for this?
My sort event is below.
    public partial class MainWindow : Window
    {
        GridViewColumnHeader _lastHeaderClicked = null;
        ListSortDirection _lastDirection = ListSortDirection.Ascending;

        void GridViewColumnHeaderClickedHandler(object sender, RoutedEventArgs 
e)
        {
            GridViewColumnHeader headerClicked =
                  e.OriginalSource as GridViewColumnHeader;
            ListSortDirection direction;

            if (headerClicked != null)
            {
                if (headerClicked.Role != GridViewColumnHeaderRole.Padding)
                {
                    if (headerClicked != _lastHeaderClicked)
                    {
                        direction = ListSortDirection.Ascending;
                    }
                    else
                    {
                        if (_lastDirection == ListSortDirection.Ascending)
                        {
                            direction = ListSortDirection.Descending;
                        }
                        else
                        {
                            direction = ListSortDirection.Ascending;
                        }
                    }

                    string header = headerClicked.Column.Header as string;
                    Sort(header, direction);

                    _lastHeaderClicked = headerClicked;
                    _lastDirection = direction;
                }
            }
        }

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