Reports whether a specified field is nullable
(i.e., can be set to a NULL
value).
Function |
Group |
Execution |
Windows |
Embedded |
Thin Client |
ODBCIsFieldNullable
|
ODBC |
Synchronous |
Supported |
Not
supported |
Executed on
Server |
Syntax
ODBCIsFieldNullable(numHandler,strColName)
- numHandler
- The handler returned by the
ODBCOpen function.
- strColName
- The column name.
Returned value
0 |
The
specified field is not flagged as Nullable. |
Non-Zero |
The
specified field is flagged as Nullable. |
Examples
Tag Name |
Expression |
Tag |
ODBCIsFieldNullable( 1, "Price" )
|
Tag |
ODBCIsFieldNullable( 1, "Model" )
|