<< Click to Display Table of Contents >> Navigation: Programming > Mail Merge (replace fields with data) and data forms > Update Field (Insert Text from Database) > Event OnMailMergeGetText > TWPMMInsertTextContents > property IsNull: TWPMMInsertTextContentsNull |
This property is only used for reporting in WPTools 8.
This new property can be used to provide the WPReporter engine with additional information about a field. This is esspecially useful when a field is used for a condition. The standard value is wpFieldDefault - here the contents will be evaluated using the StringValue and Modified properties.
wpFieldDefault, // Preset when reading field data
wpFieldIsUnknown, // Preset when conditions are checked (?...=...)
wpFieldIsNull, // If this is set any value will be ignored!
wpFieldIsZero, // Should be set if an integer or float value = 0
wpFieldIsDefined // Should be set if field is defined