Show Level option not present in Power View

Hi,

I am using sql server 2012 and sharepoint 2010. I was able to create a cube using tabular project and deployed to server. But when I tried to create drill down report using power view on sharepoint, I could not see the option of Show Levels in the design tab.

Also, I am not able to add multiple columns in the Axis section for a bar chart to get the drill down feature. All these I can do in the power view with the cube created with multidimensional project. Please advise, if I am missing something.

thanks

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thanks and regards Tarique Aslam