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MessageIsNull Method (String, Int32)

Returns true if the value of the field identified by fieldName and index is NULL.

Namespace:  OBCOM.NetClient
Assembly:  OBCOM.NetClient (in OBCOM.NetClient.dll) Version: 40.82.5945.17884 (40.82.5945.17884)
Syntax
Copy
public bool IsNull(
	string fieldName,
	int index
)

Parameters

fieldName
Type: SystemString
The name of the field.
index
Type: SystemInt32
The occurence index of the field.

Return Value

Type: Boolean
true if the value of the field identified by fieldName and index is NULL.
Exceptions
ExceptionCondition
InvalidOperationException If the Message has no Layout, or if the required field is not defined in the Layout of the Message.
IndexOutOfRangeException If index is less than "0" (zero) or greater-equal to the number of occurrences of the field, as indicated by the Occurs property.
Remarks
A field value is said to be NULL if it's first character is the special character NO-DATA (0x1A).
See Also