SSDBDataGrid(Sheridan data grid) dynamically updating column position is not working

Hi all,
I am facing a strange problem with SSDbGrid . In our application one of the form have several tabs each containing one

SSDBData Grid. Users are allowed to change column position by drag and dropm. Each time when the user changes column

position we store entire column position in a two dimensional array.
For Cnt = 0 To MyDataGrid.Column.Count - 1
ColumnPositionArr(CurrTabIndex,iCnt) = MyDataGrid.Columns(iCnt).Position
Next

When user goto another tab and return ti this one, we will update each column position from the array.
For Cnt = 0 To MyDataGrid.Column.Count - 1
MyDataGrid.Column(iCnt).Position = ColumnPositionArr(CurrTabIndex,iCnt)
Next

After this most of the column positions are updating correctly but some columns positions are not updating properly, it will

swap their positions with other columns.

We verified values inside the array, its correct.
Are we suppose to do anything after updating column position ? we tried with MyDatagrid.Update , but that also not working

Any information about this would be highly appreciated

Thanks & Regards
Shibu