Determines whether the value of the specified property is null.
.NET Syntax
virtual bool IsNull(string propertyName);
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Java Syntax
virtual boolean IsNull(String propertyName);
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PHP Syntax
virtual bool IsNull(string propertyName);
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- Parameters:
-
| propertyName | (String/string) The property name. |
- Returns:
- Returns true if the value is null; otherwise returns false.