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Ultragrid Grouped by Column get data from hidden Column
posted

So what I have is 

                    ultraGrid1.DataSource = HL7;

                    ultraGrid1.Visible = true;

                    ultraGrid1.DisplayLayout.Bands[0].Columns["File_Path"].Hidden = true;

                    ultraGrid1.DisplayLayout.GroupByBox.Hidden = true;

                    ultraGrid1.DisplayLayout.Bands[0].SortedColumns.Add("Date", false, true);

                    ultraGrid1.DisplayLayout.AutoFitStyle = Infragistics.Win.UltraWinGrid.AutoFitStyle.ResizeAllColumns;

 

 Which displays like this

+ Date 2015-07-22

   Hour

   - 11:06

   - 11:01     <---- Click

When I attempt to retrieve the data as such 

        private void ultraGrid1_ClickCell(Object sender, Infragistics.Win.UltraWinGrid.ClickCellEventArgs clicked)

        {

            if (ultraGrid1.Rows[clicked.Cell.Row.Index].Cells["File_Path"].Value != null)

                presentation_Browser.Navigate(ultraGrid1.Rows[clicked.Cell.Row.Index].Cells["File_Path"].Value.ToString());

        }

I get an Exception...  Should I be paying attention to the Bands?  Or am I attempting to get the data in a poor way or am I using the wrong event all together.
Its probably just me but I've tried for a few hours to get the data out...  If more details or source code is needed please let me know.
Thanks for your time.