Flags a field data member in the record set as
NULL (specifically having no value)
or as non-NULL.
|
Function |
Group |
Execution |
Windows |
Embedded |
Thin Client |
| ODBCSetFieldNULL
|
ODBC |
Synchronous |
Supported |
Not
supported |
Executed on
Server |
Syntax
ODBCSetFieldNULL( numHandler, strColName, numValue )
- numHandler
- The handler returned by the
ODBCOpen function.
- strColName
- The column name.
- numValue
- A numeric tag that specifies the field data as NULL
if 0 and non-NULL if non-zero.
Returned value
| 0 |
Success |
| 1 |
Invalid
handler |
| 2 |
Database
not open |
| 3 |
Invalid
parameter |
| 4 |
Invalid
column name |
Examples
|
Tag Name |
Expression |
|
Tag |
ODBCSetFieldNULL( 2, "Price", 1 )
|
|
Tag |
ODBCSetFieldNULL( 4, "CompanyName", 0
)
|