RadioButtons in a RadGrid

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C#

ASP.NET

Telerik

I have a ListView (RadListView1) in which there is RadGrid (radgrid1);

in the grid i am using first column as radiobuttons,

my question to ask how can i group the first radiobutton of first grid with the first radio button of all other grid. so only one of them can be remained check. and so on, grouping second radiobutton of first grid with second radiobutoon of all other grids.