Hi,
Something like this:
1.
function beforeedit(editor, context, eOpts)
{
return ajaxRequest(this, 'getCheck', [], false).responseText == 'true';
}
2.
procedure TMainForm.UniDBGrid1AjaxEvent(Sender: TComponent; EventName: string;
Params: TUniStrings);
begin
if EventName = 'getCheck' then
begin
if ClientDataSet1.FieldByName('EmpNo').AsInteger < 20 then
UniSession.SendResponse('true')
else
UniSession.SendResponse('false')
end;
end;