Portal Utilities
Tag isNull
Execute the body of the tag if a value is null.
In the case of a String, an empty string (zero length) will also be treated
as if it were "null".
A null Object or an empty string will cause the body to execute.
Tag Information |
Tag Class | com.bea.p13n.taglib.util.IsNullTag |
TagExtraInfo Class | None |
Body Content | JSP |
Display Name | Is Null |
Attributes |
Name | Required | Request-time | Description |
item | true | true |
The object to evaluate. Generally this will be a runtime expression.
|
Variables |
No Variables Defined. |
Output Generated by
Tag Library Documentation Generator.
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