LiveBindings is a data-binding feature supported by both the VCL and FireMonkey in RAD Studio XE2 and later versions.
Questions tagged [livebindings]
139 questions
3
votes
1 answer
Can we use boolean operator in Delphi XE2 LiveBinding expression?
I am planning to write a Live Binding source expression for TCheckBox:
SourceExpression = '(Checked = False) and (Enabled = True)'
When execute the code, an exception prompted:
Expected EOF - trailing text in expression
Is Delphi XE2 Live Binding…
Chau Chee Yang
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2
votes
1 answer
Livebinding Listbox in Delphi xe2
How can I sync two TListBox objects, by accepting any change on any of the listboxes to be available in both the listboxes.
===================== updated ====================================================
this question is updated after the first…
Vibeeshan Mahadeva
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2
votes
1 answer
Delphi Livebindings, Grid shows (BCD)
trying to implement a query viewer in FMX Windows, which allows user to write a query and display its results.
the problem at hand is with fields of type Currency (or BCD, depending on the database), which is being rendered into the grid as "(BCD)"…
Khorkhe
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2
votes
1 answer
Delphi Berlin FMX Combobox Values via LiveBindings
I have a combobox with the following manually entered values: Active, Inactive. However I want to save only values A or I in my database. How do I do this via livebindings?
Tallys Ferrante
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2
votes
1 answer
Binding an object with a TListView
I recently discovered Data Bindings, and followed this great tutorial about data binding and Delphi. I made it work with TEdit, but now I have a TObjectList and I achieved to bind them but it only works in one way. When I modify my TObjectList it…
user6677288
2
votes
2 answers
Delphi Livebinding object and combobox or radio buttons
I defined the subsequent unit for business logic
unit Models.Person;
interface
Type
TPersonGender = (pgUndefined, pgMale, pgFemale, pgNotApplicable);
TSexOfPerson = class(TPersistent)
private
FGender : TPersonGender;
protected
…
2
votes
0 answers
Do LiveBindings support a fetch-on-demand mechanism?
I want to replace a VCL TDbGrid with a FMX solution.
I choosed a TListView that is connected to the (TQuery-based) data via TBindSourceDB and TBindingsList. All connected via the Visual LiveBindings Designer (like in the MasterDetailTablet_Search…
Alois Heimer
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2
votes
1 answer
Livebinding Listbox stays empty, Grid is filled
Using Delphi Seattle, I'm trying to get the hang of livebinding in our current project and have created a form with an externally filled TFDMemTable. The memTable is connected to a TGrid and to a TListbox. The grid displays all info like it should,…
Bascy
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2
votes
4 answers
How to get Item.LookupData and SelectedValue (as integer) of an FMX TComboBox at runtime?
There is a ComboBox on the FMX Form. It is binded with a datasource (table that has an id-integer and speciality - varchar fields) in the following manner-
object LinkFillControlToField1: TLinkFillControlToField
Category = 'Quick Bindings'
…
asd-tm
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2
votes
1 answer
Using Livebindings to Assign Several Field Values to an FMX MetropolisUI TListBox Item.Text
I am coding a FMX Metropolis UI application and trying to assign two field values of type string to the Item.Title member of TListBox by LiveBindings technology (using expression engine).
When I use a TBindList in the following way:
object…
asd-tm
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2
votes
2 answers
How to concatenate 2 fields from a dataset using LiveBindings?
Is there a way to use the Live Binding Designer to concatenate 2 database fields to a component?
For example I have a MemTable for client, I want to concatenate the FirstName and LastName (fullname) to a label.
If there is a way to do that, I…
Alain V
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2
votes
1 answer
TListView record loading on demand
I have made my application using TListView to show the main dataset as a listing as way to navigate the records. I have used LiveBindings with the Sync <-> * connection.
The major problem is that it loads the entire table into memory. That is slow…
Eduardo Elias
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2
votes
1 answer
How do you delete a live binding in Firemonkey Desktop in XE6?
I have a live binding here from an Edit control to a SpinBox control.
Selecting it and pressing the Delete key on the keyboard has no effect. Neither do Ctrl+X, or the Edit -> Cut or Edit -> Delete menu items.
How do I remove it?
Warren P
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2
votes
0 answers
Delphi XE6 mobile: How to get a TObject assigned to a TListviewItem when binding TObject properties
I have the following:
TMyObject = class(TObject)
...
public
property Id: Integer read FId write FId;
property Content: string read FContent write FContent;
end;
TMyList = class(TObjectList)
I use TMyList with…
Capslock
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2
votes
1 answer
How to make a LiveBinding converter from TBlob to TBitmap
My software is heavily based on Firemonkey TListView, that was customized based on the "SampleListViewMultiDetailAppearanceProject" found in the Delphi Samples project.
"C:\Users\Public\Documents\Embarcadero\Studio\14.0\Samples\Object Pascal\Mobile…
Eduardo Elias
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