The Rich Text Box Control
The rich text box control provides properties not found in conventional HTML forms. A rich text box control is possible only when the control corresponds to an xsd:any element in the W3C XML Schema document for the data source. The role of W3C XML Schema is discussed in detail in Chapter 10, “Validating Form Data.” This association of a rich text box with xsd:any means that a rich text box cannot be used with a relational database such as Microsoft Access or SQL Server 2000, because database columns don't allow arbitrarily structured content, which is what the xsd:any element signifies.
▸ To learn more about W3C XML Schema and validation, see “Using W3C XML Schema,” p. 183.
Because a rich text box can contain any arbitrary ...