Tally TDL Course – Mastering Tally Customization & Automation

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About Course

Course Description

This comprehensive Tally TDL Course (Tally Definition Language) course is designed for developers, accountants, and business professionals who want to customize, automate, and extend the functionality of TallyPrime. Whether you’re a beginner or an advanced user, this course provides a step-by-step approach to mastering TDL with real-world applications.

What You Will Learn:

✔ Introduction to TDL & TallyPrime Developer – Understanding the fundamentals of TDL and setting up the development environment.
✔ TDL Components & Syntax – Working with Reports, Forms, Parts, Lines, Fields, and Collections.
✔ Dynamic Variables & Functions – Creating interactive reports, automating calculations, and processing user inputs.
✔ Advanced TDL Features – Using Events, Actions, Filters, and Sorting Data in Reports.
✔ Customization & Automation – Modifying default Tally reports, invoices, and dashboards.
✔ Database Integration – Fetching data from SQL, XML, JSON, and external APIs.
✔ Real-Time Web API Integration – Connecting Tally with live stock prices, currency rates, WhatsApp, and Email APIs.
✔ Payroll & GST Automation – Generating salary slips, tax reports, and auto-emailing invoices.
✔ Security & Licensing – Protecting your TDL applications with authentication and licensing systems.

Who Can Take This Course?

✅ Tally Users who want to automate business processes.
✅ Tally Developers who want to build custom solutions for clients.
✅ Business Owners who need custom reports and integrations.
✅ Accountants & IT Professionals who want to extend Tally’s capabilities.

By the end of this course, you will be able to develop powerful TDL applications that enhance productivity, automate tasks, and integrate Tally with external platforms seamlessly. 🚀

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What Will You Learn?

  • ✅ Understanding TDL and its importance.
  • ✅ Setting up TallyPrime Developer for scripting.
  • ✅ Writing and loading your first TDL program.
  • ✅ Working with Reports, Forms, Parts, Lines, and Fields.
  • ✅ Using Variables and Functions for data manipulation.
  • ✅ Adding Custom Menus, Reports, and Buttons in Tally.
  • ✅ Fetching and filtering data using Collections and Methods.
  • ✅ Implementing Events, Actions, and Conditional Formatting.
  • ✅ Creating interactive user input fields and dynamic forms.
  • ✅ Customizing Sales & Purchase Vouchers with additional fields.
  • ✅ Designing custom invoices with branding and extra details.
  • ✅ Generating automated MIS and Business Intelligence Reports.
  • ✅ Connecting Tally with SQL Databases for real-time data.
  • ✅ Importing and exporting data via XML, JSON, and Excel.
  • ✅ Integrating Web APIs to fetch live stock prices and currency rates.
  • ✅ Automating GST & Payroll Processing with TDL.
  • ✅ Sending Invoices and Payment Reminders via WhatsApp & Email APIs.
  • ✅ Implementing Role-Based Access & Licensing Systems for security.
  • ✅ Building, deploying, and automating Tally solutions using TDL.

Course Content

Chapter 1: Introduction to TDL and TallyPrime Developer
🔹 Lesson 1.1: What is TDL? (Definition, Purpose, Features) 🔹 Lesson 1.2: Setting Up TallyPrime Developer (Installation & Environment) 🔹 Lesson 1.3: Understanding TDL File Structure (Syntax, Components) 🔹 Lesson 1.4: Writing Your First TDL Script (Hello World Program) 🔹 Lesson 1.5: Loading and Testing TDL in Tally (Practical Execution) 🔹 Lesson 1.6: Modifying Existing Tally Menus and Reports (Customization) 🔹 Lesson 1.7: Debugging Errors in TDL (Finding and Fixing Bugs)

  • Lesson 1.1: What is TDL?
    01:32
  • Lesson 1.2: Setting Up TallyPrime Developer
    25:45
  • Lesson 1.3: Understanding TDL File Structure
    03:02
  • Lesson 1.4: Writing Your First TDL Script
    13:43
  • Lesson 1.5: Loading and Testing TDL in Tally
    03:20
  • Lesson 1.6: Modifying Existing Tally Menus and Reports
    23:51
  • Lesson 1.7: Correct Structure of a TDL File
    00:00
  • Lesson 1.8: Correct Naming Conventions in TDL
    00:00
  • Lesson 1.9: Using Comments in TDL
    00:00
  • Lesson 1.10: Modifying Default Tally Reports
    00:00

Chapter 2: TDL Components and Attributes
🔹 Lesson 2.1: Understanding TDL Components (Reports, Forms, Parts, Lines, Fields, Collections) 🔹 Lesson 2.2: Creating Custom Reports Using Components (Step-by-step guide) 🔹 Lesson 2.3: Exploring Attributes in TDL (Title, Use, Style, Set As, Explode) 🔹 Lesson 2.4: Using Methods in TDL (Fetch, Compute, Walk, Aggr Compute) 🔹 Lesson 2.5: Working with Collections in TDL (Static & Dynamic Collections) 🔹 Lesson 2.6: Using Filters & Conditions in Collections (Filtering and Sorting Data) 🔹 Lesson 2.7: Displaying Data in Reports Using Collections (Practical Implementation)

Chapter 3: Variables, Functions, and User Inputs in TDL
🔹 Lesson 3.1: Understanding Variables in TDL (Types, Scope, Usage) 🔹 Lesson 3.2: System Variables & Built-in Variables (Fetching System Data) 🔹 Lesson 3.3: Creating User-Defined Functions (Custom Logic & Processing) 🔹 Lesson 3.4: Using Built-in TDL Functions (Mathematical, String, Date Functions) 🔹 Lesson 3.5: Capturing User Inputs in Forms (Text Input, Drop-downs, Selection) 🔹 Lesson 3.6: Validating User Input Data (Error Handling & Formatting) 🔹 Lesson 3.7: Using Variables for Dynamic Report Generation

Chapter 4: Advanced Data Processing in TDL and Collection
🔹 Lesson 4.1: Understanding Data Processing in TDL (Overview & Importance) 🔹 Lesson 4.2: Using Conditional Statements (If-Else) for Logic Processing 🔹 Lesson 4.3: Looping Mechanisms (Walk, Repeat) in TDL 🔹 Lesson 4.4: Performing Advanced Calculations in Reports 🔹 Lesson 4.5: Working with Multi-Level Data (Parent-Child Relationships) 🔹 Lesson 4.6: Handling Large Data Sets Efficiently in TDL 🔹 Lesson 4.7: Optimizing Performance in TDL Reports

Chapter 5: Collections in TDL
✔ Understand the concept and purpose of Collections in TDL. ✔ Learn how to create and use Collections to fetch and display data. ✔ Explore the different types of Collections in TDL. ✔ Use Collection Attributes to filter, modify, and organize data. ✔ Learn how to handle user-defined Collections and built-in Collections. ✔ Understand how to map data between Tally objects and Collections.

Chapter 6: Advanced Reporting Techniques in TDL
Drill-down reports allow users to navigate from summary-level data to detailed records. This enables users to click on a report line and view in-depth details.

Chapter 7: Advanced Data Processing and Integration in TDL
Tally allows seamless integration with external data sources such as SQL, XML, JSON, and ODBC databases. This helps businesses to import, export, and analyze real-time data efficiently.

Chapter 8: Real-Time API Integration and Automation in TDL
API (Application Programming Interface) integration allows real-time communication between Tally and external services such as WhatsApp, Email, Payment Gateways, and E-Commerce Platforms.

Chapter 9: Building, Debugging, and Securing TDL Projects
In this chapter, we will cover the complete process of building a full TDL project, debugging scripts, and securing your TDL applications using licensing and encryption.

Chapter 10: Deploying, Maintaining, and Optimizing TDL Projects
After developing a TDL project, it is essential to deploy, update, and maintain it efficiently to ensure smooth operation in a business environment. This chapter covers the best practices for deployment, performance optimization, version control, and future-proofing TDL scripts.

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Learnwell Courses

We developed best tools for transferring Data from Excel to Tally software. Also provide TDL files to customize Tally. Tally TDL tutorials also available. Also focus on software tutorial related to business.