GetFieldName in IDBResultSet?

[wlandgraf (Wagner Landgraf)]

You can get IDBResultSet2 interface from IDBResultSet and use GetFieldIndex method:

IDBResultSet question.

You can get an IDBResult2 interface, which provides the method GetFieldIndex: if (ResultSet as IDBResult2).GetFieldIndex('SomeField') <> -1 then ... For null, you can simply get the value and check if it's a null variant (VarIsNull).