title: Winrt Xaml Grid ROw not filling Space with *
body: <p>I have the problem, that my Grid is not filling the space as I want it.
  Here some code:</p>
  
  <pre><code>&lt;HubSection&gt;
        &lt;Grid  Width="850"&gt;
                      &lt;Grid.RowDefinitions&gt;
                          &lt;RowDefinition Height="35"/&gt;
                          &lt;RowDefinition Height="*"/&gt;
                          &lt;RowDefinition Height="310"/&gt;
                      &lt;/Grid.RowDefinitions&gt;
                     &lt;Input:RadDatePicker Grid.Row="0" Value="{Binding CurrentDate, Mode=TwoWay}" /&gt;
                     &lt;ListView 
                              Grid.Row="1"&gt;...
                     &lt;/ListView&gt;
                     &lt;Grid Height="310"
                              Grid.Row="2"&gt;...
                     &lt;/Grid&gt;
  </code></pre>
  
  <p>...
  I want that the middle row is filling the space up of the hubsection. Instead it now just fills up when the listview contains enough items.
  Any idea?</p>
  
  <p><img src="https://i.stack.imgur.com/RvmXZ.png" alt="Screen with a few ListViewItems. Notice the empty bottom"></p>
  
  <p>Now the filled ListView:
  <img src="https://i.stack.imgur.com/yo4al.png" alt="Screen with a filled ListView - Scrollbar is visible. Bottom is filled."></p>