title: How to add border to grid Window Phone (C#)
body: <p>I create a grid and add border on that grid, but I it's made error when I run
  My code is :</p>
  
  <pre><code>Border border = new Border();
  border.BorderBrush = new SolidColorBrush(StrongBlackColor);
  border.BorderThickness = new Thickness(1, 1, 1, 1);
  Grid.SetColumn(border, 0);
  Grid.SetRow(border, 0);
  
  m_Board[i, j].Children.Add(border);
  // m_Board is a type Grid[,]
  </code></pre>