Learn TDL

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About this app

Tally Definition Language is the application development language of Tally. TDL has been developed to provide the user with the flexibility and power to extend the default capabilities of Tally, and integrate them with the external applications. TDL provides a development platform for the user. The entire User Interface of Tally.ERP 9 is built using TDL. TDL as a language, provides capabilities for Rapid Development, Rendering, Data Management and Integration.
TDL is an Action-driven language based on definitions. It emphasizes strongly on the concept of reusability. It comprises of Interface and Data objects. Interface objects mainly determine the behaviour of the product in terms of user experience. Data objects are mainly used for data persistence in the Tally Database.
Any Tally.ERP 9 user can learn TDL and develop extensions for Tally. The entire source code is available as a part of the Tally Development environment, i.e., with our product Tally Developer.

What's new

TDL is a language based on definitions. It is an action-driven language. Whenever the user performs an action, a particular segment of code gets executed. In this lesson, an overview and basic functionality of each component involved in a TDL program will be provided.
Mainly TDL (Tally Definition Language) used for Tally software modifications.
In this release find new chapters and Questions to help learn TDL.