null_handling_properties.htm
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ShowNullsAs and NullValueText are properties in a Clarion LIST used for NULL column handling.
If the value in the column is null, then the contents of NullValueText is displayed (if column data type is a reference type, or if ShowNullsAs = NullValueText), or an alternate formatted default value (if column data type is a value type and ShowNullsAs = DefaultValue).
Additionally, there is a FormatValue event used to process column information.
null_handling_properties.htm.txt · Last modified: 2019/11/13 16:57 by 127.0.0.1