[MAPSERVER-USERS] How to get class expression used in layer in the mapfile

[yatendra]

Hi friends,
 I am using asp.net and mapscript_charp.dll.
I have used different classes in a layer in my map file to give differrent
color to each feature.
Now by using asp.net mapscript i am trying to get the expression i used in
layer declaration in map file.
I have created a class object. 
assigned layername used in mapobject.
now i got stucked.
How to get classes in a layer and how to use different functions of class
objects....
Please giude me if anyone have knowladge about this issue.
php script will do...
I need only idea..
Thanks regards

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