I have a TWebClientDataSet which retrieves data, the data is displayed in a grid, so I know, that it is there. Webmemo1.Lines.Add(WebClientConnection2.URI); WebClientConnection2.Active:=true; WebMemo1.Lines.add(WebClientDataSet2.FieldByName('NAEHRWERTCD').AsString+' '+WebClientDataSet2.FieldB…

TWebClientDataset.FieldByName and FFieldMapper is null

Maierhofer_Bernd (Maierhofer Bernd) April 4, 2022, 8:15am 2

Same pitfall as here:

Topic		Replies	Views
this.FFieldMapper is null TMS XData	1	151	January 31, 2023
TWebClientDataSet ERROR: 'no fields found' TMS WEB Core	5	417	April 20, 2022
WebClientdataset yields "No fields found" - but data is available TMS WEB Core	2	403	April 3, 2022
TXDataWebDataSet and FieldByName TMS XData	3	712	November 27, 2019
FFieldMapper is null TMS WEB Core	7	22	September 17, 2025