public AjaxControlToolkit.CascadingDropDownNameValue[] GetDropDownContents(string knownCategoryValues, string category) { var knownCategoryValuesDictionary = CascadingDropDown.ParseKnownCategoryValuesString(knownCategoryValues); return CascadingDropDown.QuerySimpleCascadingDropDownDocument(Document, Hierarchy, knownCategoryValuesDictionary, category, InputValidationRegex); }