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Questions tagged [livebindings]

LiveBindings is a data-binding feature supported by both the VCL and FireMonkey in RAD Studio XE2 and later versions.

LiveBindings in RAD Studio

139 questions
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How to get the values of TListView selected item in Firemonkey Delphi Rio

I have a TListView populated with data from TFDQuery using Livebindings. I would like to get the values of the selected item like the item.text, itemheader.text, etc. I already figured out the selected item through listview1.itemindex but to get the…
Juke
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How to move to Next Tab upon selection of an Item in TListView in Firemonkey Delphi

I have TabControl with 2 TabItems for my mobile device development. The TabItem1 has a TListView for list of items populated using LiveBindings. Here, the TabItem2 should provide the details of the selected item in TabItem1 — no issues here. My…
Juke
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TListView Livebinding Search functionality to limit in Top 20 searches only in Firemonkey Delphi Rio 10.3

I am developing a mobile device for Android and iOS. I need to populate data to my TListView with search functionality. I am using a local database for this development with SQLite3 having 100,000 records in one table alone. Now, everything was so…
Juke
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Delphi Cannot change this property when using LiveBindings

Can anybody explain to me what the error message "Cannot change this property when using LiveBindings" is telling me? I am new to FMX / Live Bindings and I had something working, but I changed a few things and now, I am getting this error when…
Andrew
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Livebindings master-detail relationship between 2 comboboxes to work vice-versa selection

I am trying to use the livebindings feature between 2 tcomboboxes having master-detail relationship. Both tcomboboxes are connected to respective datasets. Say, I have a customer name table and the jobs table. Both tables are populated to respective…
Juke
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Passing object constructor parameters in Livebindings

Are TListBindSourceAdapter and TObjectBindSourceAdapter able to create new objects whose constructors require parameters? For example, MyObject := TMyObject.Create(AParameter: TObject); If yes, how can I code this?
Terry Thompson
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FMX ListView with LiveBindings

I am developing an FMX (Android) app using a ListView in Delphi 10.2.3. I have the Listview live(bound) to a ClientDataSet with (Synch->*). This works very well, and any changes in Listview are propagated to the ClientDataSet, including the…
Freddie Bell
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Reselect item after requery in delphi firemonkey and livebindings

I have a Delphi-Firemonkey-Android program. It has a TListBox, named lst1 and a database query. I hooked it up with live bindings like this: This is what I have in LiveBindings What I do is select an item in the listbox, then some processing in the…
Mattias C
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How create binded object outside of PrototypeBindSource.OnCreateAdapter?

I'm using TPrototypeBindSource to bind some object property to visual control. Everything works correctly but I have to create this object in TPrototypeBindSource.OnCreateAdapter like that: procedure TForm.PrototypeBindSourceCreateAdapter(Sender:…
aQuu
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How to update Label caption when EditBox text change using LiveBindings in Delphi?

I can update the label caption when editbox text change if I use following code: procedure TForm1.Edit1Change(Sender: TObject); begin Label1.Caption:=Edit1.Text; end; If I do same with LiveBindings, It is only updating caption when I set focus…
vkumar
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Delphi FMX LiveBindings Rectangle.Fill.Color from a Database Field

I need to assign a TRectangle.Fill.Color from a database field using LiveBindings, it looks like a simple thing, but I could not do it. Maybe the field type, maybe the value, but when assigned from a PrototypedBinding...it works. How can I assign a…
FelixBCastillo
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Integer field, FMX combobox and LiveBindings in Delphi

I use an integer field to store the user's rank: 0=admin, 1=base, .... In a FMX form I would like to manage this field with a combobox showing the rank string (admin, base, ...). Is there a way to do this with Live Binding?
orsomannaro
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Radstudio ListView and FireDac Binding Synch Issue

I have a table with a primary key (ID) and a unique field (REF) that I want to bind to a ListView. With LiveBindings the links are created with : 1) (Table) * <-> Synch (ListView) 2) (Table) ref -> Item.Text (ListView) Additionaly, a link are…
sgm
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Bind combobox with OO

I have 2 business classes. This classes are load by database. The "product" class have a property "category" who is an instance of category. unit Unit5; interface uses System.SysUtils, System.Types, System.UITypes, System.Classes,…
Joc02
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Delphi LiveBindings TPrototypeBindSource and customFormat

I use business classes with a TPrototypeBindSource. I will use CustomFormat to concatenate 2 fields. I am coming with a TBindSourceDB but not with the TPrototypBindSource. I use an TEdit and a TLinkControlToField. If I use : %s + " text" => it's…
Joc02
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