Web API Reference | MapGuide Open Source

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

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