TDataSetEnumerator class

Declaration

TDataSetEnumerator = class

Description

TDataSetEnumerator is an enumerator for the records in a dataset. It returns the Fields instance. It navigates from the first till the last record in the dataset. The following is an example of how this can be used, in conjunction with the field enumerator:

var
  Rec : TFields;
  Fld : TField;

begin
  for Rec in MyDataset do
    for F in Rec do
      Writeln(F.Name,' : ',F.AsString);

Note that the current record pointer of the dataset is modified as the loop is traversed. If the current record is modified by other code while the loop is running, the result may become unpredictable. Similarly, if 2 enumerators are used simultaneously for the same dataset, the results are unpredictable.

See also

• TDataset
• TFields
• TFieldsEnumerator

Properties

Methods