Sanostee

Func<Article, object> orderByFunc = (a) => 
   typeof(Article).GetProperty(OrderBy).GetValue(a);

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RowDefinitionCollection rd = MainGrid.RowDefinitions;
ColumnDefinitionCollection cd = MainGrid.ColumnDefinitions;
for (int i = 0; i < 3; i++)
{
    rd.Add(new RowDefinition());

    for (int j = 0; j < 12; j++)
    {
      cd.Add(new ColumnDefinition());
      Button b = new Button();
      b.Name = "Button"+i;
      MainGrid.Children.Add(b);
      Grid.SetColumn(b, j);
      Grid.SetRow(b, i);
    } 
}