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Chapter 26. Integrating with InfoPath an... > Applying Advanced InfoPath Technique...

Applying Advanced InfoPath Techniques

The data editing form you created in the preceding sections is adequate for use by experienced users, but adding data entry validation and lookup lists for queries makes the form easier to use. You also are likely to be faced with the need to change the primary data source for the form. The following sections cover these three topics.

Setting Local Data Validation Rules

If the schema for your form specifies XSD built-in datatypes of elements, such as decimal, int, boolean, date, or dateTime, InfoPath tests your query filter and data entry values for conformance to the requirements of the World Wide Web Consortium (W3C) XML Schema Part 2: Datatypes recommendation. XSD schema also can apply constraints to data values by facets, such as length, minLength, and maxLength for the string data type. Each datatype has its own set of facets. The built-in primitive and derived data types handle almost all Jet and SQL Server 2000 datatypes. (Jet’s Hyperlink field data type is an exception; Jet Currency and SQL Server money fields convert to the decimal datatype.)


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