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StreamBase Client API
Tuple..::IsNull Method (String)

Test the null setting for field sFieldName

Namespace: StreamBase.SB
Assembly: StreamBase.SB.Client (in StreamBase.SB.Client.dll) Version: 10.3.0.0

# Syntax

| C# |  |  | Visual Basic |  |  | Visual C++ |

    public virtual bool IsNull(
    	string sFieldName
    )

    Public Overridable Function IsNull ( _
    	sFieldName As String _
    ) As Boolean

    public:
    virtual bool IsNull(
    	String^ sFieldName
    )

#### Parameters

sFieldName
  String

#### Return Value

true if field is null, false otherwise

# Exceptions

Exception | Condition
--- | ---
StreamBase.SB..::..TupleFieldTypingException |
StreamBase.SB..::..TupleBadFieldException |
StreamBase.SB..::..NullValueException |
StreamBase.SB..::..NonTupleFieldInPath |
StreamBase.SB..::..NoSuchFieldException |
StreamBase.SB..::..StreamBaseException |

# See Also

Tuple Class
IsNull Overload
StreamBase.SB Namespace