CODEWITHSUNDEEP
delphitclientdataset
Vijay Bobba
Vijay Bobba

Reputation: 313

current focussed field of a TClientDataSet

I have a situation where I have to allow the user to update either of 2 fields of a dbgrid(connected to a CDS) persisting the last entered one. So (after user enters data) I need to get the current focused control, so that i will remove the previous field data if it has any. I also have other fields apart from these two.

It was insisted not to use any grid related events, i have to use only CDS event to achieve this.

Thanks in advance, Vijay.

Upvotes: 1

Views: 487

Answers (1)

jachguate
jachguate

Reputation: 17203

Use the field's OnChange event, and just clear the other field value if any:

Something like this:

TForm1.cdsField1Change(Sender: TField);
begin
  if not Sender.IsNull then
    cdsField2.Clear;
end;

TForm1.cdsField2Change(Sender: TField);
begin
  if not Sender.IsNull then
    cdsField1.Clear;
end;

Upvotes: 4

Related Questions