dynamically Wrap unwrap datarid column on button click

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Silverlight4

DataGrid

Hi,

Need help!!
I have two DataGridTextColumn and I want to wrap and unwrap on button click event.

i have following two columns, how can I implement this functionality. I tried but can't find any solution.



<sdk:datagridtextcolumn binding="{Binding Path=StatusComment}" header="Status Comment" xmlns:sdk="#unknown">
<sdk:datagridtextcolumn binding="{Binding Path=ReasonComment}" header="Reason Comment" xmlns:sdk="#unknown">


Thanks in Advance.