Hola amigo forero, espero que sea lo que estas buscando
Código:
Private Sub DataGrid1_MouseUp(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles DataGrid1.MouseUp
Dim pt = New Point(e.X, e.Y)
Dim hti As DataGrid.HitTestInfo = DataGrid1.HitTest(pt)
If hti.Type = DataGrid.HitTestType.Cell Then
DataGrid1.CurrentCell = New DataGridCell(hti.Row, hti.Column)
DataGrid1.Select(hti.Row)
End If
End Sub
suerte