Search field based on its fieldnumber.
Source position: db.pas line 1361
| public function TFields.FieldByNumber( | 
| FieldNo: Integer | 
| ):TField; | 
| FieldNo | 
 | Field number to search for. | 
Field instance with matching FieldNo property.
FieldByNumber searches for the field whose TField.FieldNo property matches the FieldNo parameter. If no such field is found, Nil is returned.
| 
 | Find a field based on its name. | |
| 
 | Find a field based on its name. | |
| 
 | Return the index of a field instance. |