DataValue SetNullValue Method TIBCO Spotfire 5.5 API Reference
Makes this DataValue instance represent a null value. That is, an invalid value with a null data error. After the method call, HasValidValue will return false, IsNullValue will return true, and HasDataError will return false. The ValidValue property will be null or default(T).

Namespace: Spotfire.Dxp.Data
Assembly: Spotfire.Dxp.Data (in Spotfire.Dxp.Data.dll) Version: 11.15.5816.4413 (11.15.5816.4413)
Syntax
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public abstract void SetNullValue()
Version Information

Supported in: 5.5, 5.0, 4.5, 4.0, 3.3
See Also
DataValue Class
DataValue Members
Spotfire.Dxp.Data Namespace