Display MasterFieldLinks Editor

TECH TIP: Display DataPipeline.MasterFieldLinks Editor in code

uses
  ppForms, ppFLnkEd;


procedure TForm1.DisplayFieldLInkEditor;
var
  lFormClass : TFormClass;
  lFieldLinkEd: TppCustomMasterFieldLinkEditor;

begin

  {the detail pipeline's masterdatapipeline property needs 
   to be set prior to using the field link editor}

  if (myDetailPipeline.MasterDataPipeline = nil) then
    myDetailPipeline.MasterDataPipeline := myMasterPipeline;

  {get the registered field link editor class}
  lFormClass := ppGetFormClass(TppCustomMasterFieldLinkEditor);

  {create the field link editor}
  lFieldLinkEd := TppCustomMasterFieldLinkEditor(lFormClass.Create(Application));
  lFieldLinkEd.DataPipeline := myDetailPipeline;

 try
    lFieldLinkEd.Execute;
  finally
    lFieldLinkEd.Free;
  end;

end;

uses

ppForms, ppFLnkEd;

procedure TForm1.DisplayFieldLInkEditor;

var

lFormClass : TFormClass;

lFieldLinkEd: TppCustomMasterFieldLinkEditor;

begin

{the detail pipeline's masterdatapipeline property needs

to be set prior to using the field link editor}

if (myDetailPipeline.MasterDataPipeline = nil) then

myDetailPipeline.MasterDataPipeline := myMasterPipeline;

{get the registered field link editor class}

lFormClass := ppGetFormClass(TppCustomMasterFieldLinkEditor);

{create the field link editor}

lFieldLinkEd := TppCustomMasterFieldLinkEditor(lFormClass.Create(Application));

lFieldLinkEd.DataPipeline := myDetailPipeline;

try

lFieldLinkEd.Execute;

finally

lFieldLinkEd.Free;

end;

Define MasterFieldLinks in Code

Tech Tip: Define Master/Detail DataPipeline Links in Code Defining a Master/Detail relationship for a DataPipeline requires that the detail pipeline have the following properties defined: 1. MasterDataPipeline 2. MasterFieldLinks At Delphi design-time you can use the object inspector and the DataPipeline’s FieldLinks editor to define the master/detail relationship. The following example illustrates how to define Full Article…

Data Traversal

TECH TIP: Fundamentals of Report Data Traversal Single Table Listing Report Assign the Report.DataPipeline property and leave the DetailBand.Pipeline unassigned. The report will traverse the data from start to end (based on the datapipeline range settings and honoring any filters you’ve placed on the datset etc.) Master/Detail Report: Assign the Report.DataPipeline property to the master. Full Article…

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