/// <summary>
/// Gets the items data.
/// </summary>
/// <returns></returns>
public DataView GetItemsData()
{
if (!Identifier.IsValid(_categoryId))
{
return(null);
}
var data = _knowledgeManager.GetShortInfoByCategoryID(_categoryId);
_knowledgeManager.RemoveNotViewable(data);
return(data.DefaultView);
}