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Waxime
105
UltraWinGrid: Expand grouped colomns
posted

 Hello,

 I have some problem with UltraWinGrid. I modify some Cell when i running, but if i modifed a grouped Cell, le group isn't refresh.

 i programming that for repair the problem

-----------------------------------

     Private Sub UltraGrid_AfterCellUpdate(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinGrid.CellEventArgs) Handles UltraGrid.AfterCellUpdate
        If isGrouped(e.Cell.Column.Index) Then
            ResetGroup()
        End If
    End Sub

    Private Function isGrouped(ByVal Colomns As Integer)
        For i As Integer = 0 To Me.UltraGrid.DisplayLayout.Bands(0).SortedColumns().Count - 1
            If Me.UltraGrid.DisplayLayout.Bands(0).SortedColumns(i).Index = Colomns Then
                Return True
            End If
        Next i
        Return False
    End Function

    Private Sub ResetGroup()
        Dim liste As New Generic.List(Of Colomns)
        For i As Integer = 0 To Me.UltraGrid.DisplayLayout.Bands(0).SortedColumns().Count - 1
            Dim temp As Colomns
            temp.Colomns = Me.UltraGrid.DisplayLayout.Bands(0).SortedColumns(i)
            temp.descending = Me.UltraGrid.DisplayLayout.Bands(0).SortedColumns(i).SortIndicator = Infragistics.Win.UltraWinGrid.SortIndicator.Descending
            temp.groupBy = Me.UltraGrid.DisplayLayout.Bands(0).SortedColumns(i).IsGroupByColumn
            liste.Add(temp)
        Next i
        Me.UltraGrid.DisplayLayout.Bands(0).ColumnFilters.ClearAllFilters()
        Dim iterator As Generic.List(Of Colomns).Enumerator = liste.GetEnumerator
        While iterator.MoveNext
            Me.UltraGrid.DisplayLayout.Bands(0).SortedColumns.Add(iterator.Current.Colomns, iterator.Current.descending, iterator.Current.groupBy)
        End While
    End Sub

-----------------------------------

That work, all group is refresh and if i modify a cell and this cell is grouped, the rows change of group

but the problem, all group is collapse.

How i can expand some group by the code ???

 Thanks

Waxime

Softicket Programmer

http://www.softicket.net

 

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  • 469350
    Offline posted

    The grid does not automatically re-group or re-sort when the value of a cell changes, because this might be jarring for users to edit a cell and have the row move to a new position.

    But if you want to refresh the sorting or grouping, all you have to do is call:

            private void ultraGrid1_AfterCellUpdate(object sender, CellEventArgs e)
            {
                e.Cell.Band.SortedColumns.RefreshSort(true);
            } 

     

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