C# Type Conversion

using System.Security, System.Web

public static SecurityElement FromString(string xml);

public static ListItem FromString(string s);

Internationalization (I18n) Method Overview

The first signature creates a SecurityElement from an XML-encoded string.

The second signature creates a ListItem from the specified text. This method sets the Text property of the ListItem to the text specified by the s parameter.

For more information see Microsoft's MSDN online documentation here and here.