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James Murray
635
Sorting on a hidden field fails
posted

Hi,

I've a column in a grid holding an image (index =0) representing state an image which when the sort is triggered should sort on a hidden column (index =3).

protected void ColumnSorted(object sender, SortingEventArgs e)
    {
        if (e.Column.Index != 0)
        {       
            RepopoulateScreenVariables();
            this.gridTranslations.DataSource = _AfterDataTableGrid.DataTableView;
            this.gridTranslations.DataBind();    
        }
        else        
        {
            //try to create a new Event that clicks the 3rd column/Status
            //then recall this function
            e = new SortingEventArgs(
                        new SortedColumnInfoCollection(this.gridTranslations),
                        this.gridTranslations.Columns[3]);
            Column_Sort(sender, e);
 
        }
    }

However, when it recalls the function with the new event arg it fails, I'm assuming this is because the event has fired after the sorting has occurred.

I can't seem to find an example/way of redirecting the column click.

Does anyone have any ideas?

Cheers

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  • 29417
    Suggested Answer
    Offline posted

    Hello murray7 , 

    Thank you for posting in our forum. 

    You can cancel the default sorting by clearing the sorted columns collection and adding your own column to sort by after that . For example:

     

    protected void WebDataGrid1_ColumnSorted(object sender, Infragistics.Web.UI.GridControls.SortingEventArgs e)

        {

            if (e.Column.Index == 1)

            {

             

                e.SortedColumns.Clear();

                e.SortedColumns.Add(this.WebDataGrid1.Columns[0],Infragistics.Web.UI.SortDirection.Descending);

            }

            this.WebDataGrid1.DataSource = MakeTable();

           

        }

     

    In this case if the sorted column is with index 1 then cancel the default sorting and sort the column with index 0 in descending order. 

    Also if you’re not providing the data source anywhere else in the page lifecycle then you need to do it in that even so that you’ll have a  data source each time you sort.

     

    Let me know if you have any questions or concerns.

     

    Best Regards,

    Maya Kirova

    Developer Support Engineer

    Infragistics, Inc.

    http://ko.infragistics.com/support

     

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