/// <summary>
/// Create a dataunit to hode the code HTML tag.
/// </summary>
/// <param name="str">The code to create the data unit with.</param>
private void CreateCodeDataUnit(String str)
{
if (str.Trim().Length > 0)
{
var d = new CodeDataUnit {
Code = str
};
_page.AddDataUnit(d);
}
}