<div>
Solved this with;<br />
<br />
procedure TScheduleJobf.wwtSchedList<wbr />AfterScrol<wbr />l(DataSet:<wbr /> TDataSet);<br />
begin<br />
&nbsp; tSched.Filter := 'SchedNo = ' + wwtSchedList.FieldByName('<wbr />SchedNo').<wbr />Text;<br />
&nbsp; tSched.Filtered := True;<br />
&nbsp; <br />
end;<br />
<br />
Works fine, though I still wonder why the previous approach wouldn't work?
</div>


Solved this with;

procedure TScheduleJobf.wwtSchedListAfterScroll(DataSet: TDataSet);
begin
  tSched.Filter := 'SchedNo = ' + wwtSchedList.FieldByName('SchedNo').Text;
  tSched.Filtered := True;
 
end;

Works fine, though I still wonder why the previous approach wouldn't work?

<div>
No solution found, queried my way out of it, using client datasets.
</div>


No solution found, queried my way out of it, using client datasets.

<div>
When in doubt, brute force;p
</div>


<div>
<div class="content wysiwyg-content">
Don't understand why this would not work?<br />
<br />
JobList Master Source<br />
<br />
&nbsp; &nbsp; &nbsp; &nbsp; JobScheduleList Master Source<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Job# -&gt; Job#<br />
<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;JobSchedule<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Job# -&gt; Job#<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Schedule# - &gt;&nbsp;Schedule#<br />
<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This errors Table JobList does not have field Schedule#
</div>
</div>


Don't understand why this would not work?

JobList Master Source

        JobScheduleList Master Source
	Job# -> Job#

		JobSchedule
		Job# -> Job#
		Schedule# - > Schedule#

		This errors Table JobList does not have field Schedule#

Delphi Master, Detail, Sub Detail

Delphi is the most powerful Object Pascal IDE and component library for cross-platform Native App Development with flexible Cloud services and broad IoT connectivity. It provides powerful VCL controls for Windows 10 and enables FMX development for Windows, Mac and Mobile. Delphi is your choice for ultrafast Enterprise Strong Development™. Look for increased memory for large projects, extended multi-monitor support, improved Object Inspector and much more. Delphi is 5x faster for development and deployment across multiple desktop, mobile, cloud and database platforms including 32-bit and 64-bit Windows 10.