MessageIsNull Method (String) |
Returns true if the value of the field identified by Name is
NULL.
Namespace:
OBCOM.NetClient
Assembly:
OBCOM.NetClient (in OBCOM.NetClient.dll) Version: 40.82.5945.17884 (40.82.5945.17884)
Syntax public bool IsNull(
string fieldName
)
Public Function IsNull (
fieldName As String
) As Boolean
Parameters
- fieldName
- Type: SystemString
The name of the field.
Return Value
Type:
Booleantrue if the value of the field identified by Name is
NULL.
Exceptions Exception | Condition |
---|
InvalidOperationException |
If the Message has no Layout, or if the required field is not defined in
the Layout of the Message.
|
Remarks A field value is said to be NULL if it's first character is
the special character NO-DATA (0x1A).
This method has the same effect as calling IsNull(fieldName,
0).
See Also