The data-access layer.
            
 Declaration Syntax
 Declaration Syntax| C# | Visual Basic | Visual C++ | 
public virtual XmlDataAccess DataAccess { get; set; }
Public Overridable Property DataAccess As XmlDataAccess
public: virtual property XmlDataAccess^ DataAccess { XmlDataAccess^ get (); void set (XmlDataAccess^ value); }