Interpolation in siverlight treemap control is not working

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Silverlight

Hi,


I have used Treemap control in silverlight for my project. I need to fill each cell in the treemap with some color based on dynamic values. So I used SolidColorBrushInterpolator.

It is working fine when I set the DataContext with in Class Constructor. But i have to fetch data from Database and set the datacontext,so I am setting the datacontext in some event handlers. At that time values are loaded in treemap correctly, but colors are not set.

Can any one of you please help me?