Having explored how to link to a Master Detail relationship and created a funky anonymous method to return the data, I thought there is no reason why I should have to be returning linked data. The data could be from anywhere.
One example people have asked about when I’ve been at developer events is how to link an object to be the master for filtering a TDataSet… well, this actually provides a simple example for doing exactly this (as you can see in this video)
In the last blog we looked at how to use master detail and how the BeforeScroll and AfterScoll events worked. I also created using Generics a Sync Object that allowed a single detail object to be linked to.
As promised, this blog post takes it a step further, using the previous foundation I have updated the code (so make sure you download the latest version from code central from the link below) to allow multiple objects of different types to be linked. Additionally, detail lists are also now available.
Embarcadero CodeCentral “Registered Users” can download the patch binaries (Server/Desktop/Developer/Trial) for Windows and Linux, and, ToGo Edition. You can find the downloads at http://cc.embarcadero.com/reg/interbase
This is the 4th video and blog in a series on using Visual LiveBindings mixed into existing VCL applications.
In my last post, we looked at how to bind directly in code, using some common Visual LiveBinding Classes and in the next post we will look at more classes that can be used and the difference in the bindings they create. However before we get there a number of you asked about binding to master detail and sub objects. So lets explore this matter.
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