Set field type.
Source position: db.pas line 1104
| public procedure TBlobField.SetFieldType( | 
| AValue: TFieldType | 
| ); override; | 
| AValue | 
 | Value for the DataType property. | 
SetFieldType is overridden by TBlobField to check whether a valid Blob field type is set. If so, it calls the inherited method.
| 
 | The data type of the field. |