This sample demonstrates how to use the filter feature ofTFDQuery.
To this end, the sample implements different preset filters. Moreover, you can edit your own filtering condition andapply the filter to a datasetin order to search for specific records.
Location
You can find theFiltersample project at:
Start | Programs | Embarcadero RAD Studio Sydney |…
Build Powerful Master-Detail Relationships With Centralized Cached Updates In Delphi
January 7, 2021
First, theCentralizedCachedUpdatessample sets up range-basedmaster-detail relationshipsbetween datasets using twoTFDQueryobjects. Then, the sample shows you how to use aTFDSchemaAdapterobject to enable theCentralized…
ThexDBMSsample shows you how use theTFDLocalSQLclass to implement a cross-DBMS query application. To this end, each queryable dataset must be registered with theLocal SQL engineusing theDataSetscollection property.Note: The…
Easily Create Stunning Responsive Apps With Third Party FMXUI Library For Delphi FireMonkey
January 4, 2021
With the power of the Delphi programming language and the cross-platform FireMonkey framework, dozens of Delphi developers have created their own custom FireMonkey UI components to accomplish their goals, for instance, the TBadgeView component which helps to make unread message prompt little red dot or different dialog types for FireMonkey.
The FMXUI library has more than 20 components to…
The Sample is using the “Custom” list view item appearance value and configuring the appearance properties of list view items at design time. It also shows how to do this at run time.
When you run the application, it shows a list view. Each list item shows a…
Quickly Define APIDocAttributes To Easily Add Documentation To Your RAD Server Solutions
January 1, 2021
The sample consists of an EMS package that loads a new resource into the EMS Server provided with RAD Studio. The demo uses FireDAC components to access the Interbase databaseemployee.gdb. The connection parameters are defined in the TFDConnection component. If you…
Learn How To Do Unit Testing In Delphi With The Powerful DUnitX Framework
December 31, 2020
Unit Testing is a type of software testing where specific units or segments of the software are tested. The goal is to validate that each unit of the software code executes as expected. Unit Testing is done during the development of an application by the developers.
DUnitX is an open-source unit test framework based on the NUnit test framework, including some ideas from xUnit as well. The RAD…
The demand for Linux applications is increasing year after year, as this free and open-source OS becomes more prevalent on PCs. For those of you who need to meet this demand, I present to you FMXLinux (Embarcadero Software License) for Delphi, which allows you to work on…
Easily Implement Robust Binary Large Object (BLOB) Streaming With FireDAC In Delphi
December 20, 2020
TheBlobssample shows you how to create a BLOB stream for reading and/or writing the value of a specificBLOB fieldon a specific record. To this end, the sample uses theCreateBlobStreammethod ofTFDQueryto create a read-only BLOB…
Learn How To Easily Work With A COMPort On Linux In Delphi Using A WINSOFT Library
December 17, 2020
You can track and use all available ComPorts on your Linux machine by using this fantastic library.
It is simple, fast, and efficient to use; simply download and add the library path, declare the units, and call its functions.
Follow the tutorial to learn how to do so. In my case, I was using VirtualBox to run Ubuntu on a Windows host.
Installing Development Packages
To install the development…
