ODBCIsFieldNullable
Reports whether a specified field is nullable (i.e., can be set to a NULL value).
| Function
| Group
| Execution
| Windows
| Embedded
| Thin Client
| Mobile Access
|
| ODBCIsFieldNullable | ODBC
| Synchronous
| Supported
| Not supported
| Executed on Server
| Not supported
|
Syntax
- 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” ) |
ODBCIsFieldNullable
