How to programmaticly select a row in datagridview and update its child grid?

[sunhpj]

I bind datagridview 2 as a child of dgv1 by defining a relation.

I need to select a row in dgv1 on demand. I do this be setting the row.selected=true, but dgv2 cannot be automatically updated until I have to click the row in dgv1.

How to do this automaically?