Indeed, GridViewSelectColumn is bound internally to IsSelected property of GridViewRow. However, you can check this example
which demonstrates how to bind GridViewRow's IsSelected property to a property of your business object. I believe that this will help you to achieve your requirement.
As a side note - Although GitHub is a very well-known platform we saw a better and easier approach for reviewing our examples developing our SDK Samples Browser
. You can also use it to review the examples.
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