Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
Reports whether the last column read has the value SQL NULL.
Syntax
public boolean wasNull(int ColumnID)
Run On
Called
Parameters
- ColumnID
Type: int
The column ID.
Return Value
Type: boolean
true if the last column read has the value SQL nullNothingnullptrunita null reference (Nothing in Visual Basic); otherwise false.
Remarks
You must first call a get method, like the ResultSet.getInt method, on a column to try to read its value; then call the wasNull method to find whether the value was the SQL NULL.