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Sorting on child datagrid

I have a master detail datagrid capable of expanding and
collapsing when u click on an imagebutton. I also have
used the Sort event handler for the child columns.
However, when I click on a column name on the child
datagrid, the entire datagrid (child) is collapsed . I
want to perform sorting on child datagrid keeping it
expanded. All expanded/collapse code for master detail
datagrid is in the Datagrid_Itemcommand handler. For the
Datagrid_sortcommand handler, I perform databind eg.
DataBind(e.Sortexpression)

Can some please help? What can I do to maintain the state
of child datagrid as expanded
Jul 19 '05 #1
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