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Questions tagged [fdmemtable]

22 questions
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1 answer

RAD Server Delphi - using savetostream und loadfromstream does not work because of mutated vowels after Json conversion

I try to exchange Data via RadServer IIS Package and Delphi Client with EMSEndpoint. What I try looks simple to me but I can't get it done now. In the Package there is a TFDConnection pointing to a MSSql Server. TFDQuery is connected with that…
fisi-pjm
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Delphi TFDMemTable, CloneCursor and source table out of sync, unless Refresh is called

the code i'm working on makes heavy usage of TFDMemTables, and clones of those tables using CloneCursor. Sometimes, under specific conditions which I am unable to identify, the source table and its clone become out of sync: the data between them may…
Khorkhe
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What is TFDDatSRow?

I use Delphi 10.3. I try to make a memory database, append data to it and find data in it. I wrote the following code referring other's and it works well. procedure TForm1.DataAppendFind; var _FieldDef: TFieldDef; _FDDatsRow: TFDDatSRow; i:…
SHIN JaeGuk
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1 answer

How to change Delphi FireDAC tFDMemTable field name in design-time

I try to change the field name of FDMemTable1field1 which is 'field1' to 'field3'. There is no code and all is done in design-time. TForm1 = class(TForm) DBGrid1: TDBGrid; DataSource1: TDataSource; FDMemTable1: TFDMemTable; …
SHIN JaeGuk
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2 answers

How to internally process filtered tDataSet records not to be shown on tDBGrid the result

In the following tFDMemTable I try to sum value of records whose ID field starting letter A. A1, A2 and the result should be 4. type TForm1 = class(TForm) FDMemTable1: TFDMemTable; DBGrid1: TDBGrid; DataSource1: TDataSource; …
SHIN JaeGuk
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2
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2 answers

How do you right justify DBGrid titles when using a FDMemtable in Delphi?

I can't seem to get the fixed row Titles in a DBGrid to align right justified when using a FDMemtable. Whenever I set the Field alignment to taRightJustify it right justifies the data cells perfectly. However, the DBGrid titles are always left…
Michael Riley - AKA Gunny
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Delphi - Loading a CSV into a Dataset using FireDac ( Field Sizing Issue... )

I'm using TFDBatchMove, TFDBatchMoveTextReader, TFDBatchMoveDataSetWriter, and TFDMemTable to load data from a csv file into a memTable dataset. It works great except for the fact that I have one field that has a lot of text (400-500 characters) and…
Mark Lyder
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Delphi 10.4 - Sort Memtable by clicking Stringgrid Header

I feel like an idiot because my question seams so simple but I don't get it done :D My Settings is that: One Dataset (Memtable), One Stringgrid. The Grid is bind via live Bindungs. I would like to sort my Columns by clicking on the GridHeader. In…
fisi-pjm
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1 answer

How to refresh Livebinding for TListView and TFDMemTable?

I have a TListView livebinded with TFDMemTable. I also have a TButton that adds the item on the TFDMemTable which obviously shown in the TListView after adding the item. The TListView is located in one of the TTabItem of TTabControl. My problem is,…
RickyBelmont
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Slow performance of TGrid everytime it is created at runtime through dynamic (increasing data) TFDMemTable definition provided REST API data

I am developing Firemonkey App for iOS and Android. I noticed that the app gets slower performance in iOS and Android debugging everytime the TGrid is created at runtime using the TFDMemTable REST API data and structure. I already applied the…
RickyBelmont
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1 answer

TTeeGrid is not displaying the data at runtime using data from REST

I created a simple RME for TTeeGrid, a descendant perhaps of TGrid in Firemonkey. As shown below, the data are displayed at design time but not at runtime except the headers. I've been breaking my head over this for weeks already but not luck. Let…
RickyBelmont
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How to add aggregates and group tuples in TFDMemTable?

I have 2 TFDQuery objects connected to 2 different databases from which I'm fetching tuples and merging them into a single TFDMemTable. This works fine, but now I need to group those merged tuples and create certain aggregate fields. For example,…
AEC
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How to write arabic string value to Firedac Memtable TStringField?

I use Delphi 11.3 with Firedac database components. I want to set Firedac Memtable TStringField value with arabic text. The value comes from a service method as json like at below. "sticker": { "applicationMethod": "يعطى…
ErkanK
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Is possible to read FireDAC MemTable on Python?

I have some binaries (.adb) that is created in FireDAC Project, but i want to read the data in python, is there any documentation on how to read this format? I know it is a proprietary format, but the only way i consume the data is using Delphi?
Gaspar
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TFDMemTable filter not responding to my TEdit OnChangeTracking

I have TFDMemTable data from API. The TFDMemTable is livebinded with TListView. The tricky part here is that, I want to show in the TListView the filtered data only using OnChangeTracking event of TEdit control. Here's the code that I am working…
Juke
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