title: Trouble with Datagridview.ClearSelection()
body: <p>I want my (readonly,fullrowselect) datagridviews to have no selected rows when the form is loaded. I tried .ClearSelection in the forms constructor after setting their datasource but it doesn't work (i would really like to know why...).</p>
  
  <p>Then i tried in the Form_load event but it won't clear the selection on the datagridviews i have placed on the not immediately visible tab containers.</p>
  
  <p>Am i doing something wrong? I could do it in the Layout event of each tab page but then it will deselect the rows every time the user changes tab, which is not a desired behavior.</p>