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Vladimir Khorikov

This course will teach you how to use FluentValidation library to perform validation in ASP.NET Core applications. FluentValidation is a free and open-source library developed by Jeremy Skinner at https://fluentvalidation.net

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This course will teach you how to use FluentValidation library to perform validation in ASP.NET Core applications. FluentValidation is a free and open-source library developed by Jeremy Skinner at https://fluentvalidation.net

Input validation is a vast and complicated topic, and it’s often unclear what tools to use and best practices to follow in this area. In this course, FluentValidation Fundamentals, you’ll learn to perform validation in ASP.NET Core applications. First, you’ll explore the features of the FluentValidation library. Next, you’ll discover how to combine them with DDD best practices. Finally, you’ll learn how to use attributes as an alternative to the library. When you’re finished with this course, you’ll have the skills and knowledge of validation and the FluentValidation library needed to perform validation in any ASP.NET Core application. FluentValidation is developed by Jeremy Skinner.

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What's inside

Syllabus

Course Overview
Introduction
Validating Input with FluentValidation
Diving Deeper into FluentValidation
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Validating Input the DDD Way
Combining FluentValidation with DDD Patterns
Diving Deeper into DDD and Validation

Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Examines an open-source library developed by Jeremy Skinner, FluentValidation, which is standard in industry
Investigates best practises for validating input, a multifaceted topic
Provides a comprehensive overview of how to use the FluentValidation library to perform validation in ASP.NET Core applications
Explores the use of attributes as an alternative to the FluentValidation library

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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in FluentValidation Fundamentals with these activities:
Review Validation Fundamentals
Review the basics of validation and its importance in ASP.NET Core applications to refresh your knowledge and build a strong foundation for this course.
Browse courses on Input Validation
Show steps
  • Read online articles or tutorials on input validation in ASP.NET Core.
  • Go through the official ASP.NET Core documentation on validation.
  • Review your notes or study materials from previous courses on validation.
Review Calculus 2 and linear algebra
Review essential mathematical skills to strengthen your foundations for learning.
Show steps
  • Review limits, derivatives, and integrals from Calculus 2
  • Review matrix operations and linear transformations from linear algebra
  • Practice solving problems involving these concepts
Review Validation Methods
Refresh your knowledge of validation methods to better understand the concepts covered in the course.
Show steps
  • Review a textbook on validation methods.
  • Attend a workshop on validation methods.
  • Participate in online discussions about validation methods.
11 other activities
Expand to see all activities and additional details
Show all 14 activities
Step-by-Step Validation
Build fluency with the FluentValidation syntax through repetitive exercises.
Show steps
  • Validate simple properties
  • Use chaining and custom rules
  • Create custom validators
Work through FluentValidation tutorials
Following tutorials will help you gain practical experience with FluentValidation.
Show steps
Follow FluentValidation Tutorials
Enhance your understanding of FluentValidation by following guided tutorials and practicing the concepts to reinforce your learning.
Show steps
  • Locate online tutorials or workshops on FluentValidation for ASP.NET Core.
  • Follow the tutorials step-by-step, implementing the concepts in your own code.
  • Experiment with different validation rules and scenarios to test your understanding.
Follow tutorials on FluentValidation library
Deepen your understanding of the FluentValidation library.
Show steps
  • Find beginner-friendly tutorials on using FluentValidation
  • Follow along with the tutorials and practice using the library
  • Experiment with different validation rules and scenarios
Complete practice exercises on FluentValidation
Practice exercises will help you reinforce your skills and knowledge of FluentValidation.
Show steps
Practice building validators
Build validators to practice writing custom validation rules. This will improve your understanding of FluentValidation and how to use it effectively.
Browse courses on Validation
Show steps
  • Create a simple ASP.NET Core project
  • Install the FluentValidation package
  • Define a model class
  • Create a validator class
  • Test your validator
Validation Practice Exercises
Solidify your skills by completing practice exercises that involve implementing validation in ASP.NET Core applications using FluentValidation.
Show steps
  • Find online coding challenges or exercises related to FluentValidation.
  • Attempt to solve the exercises on your own, implementing validation rules and handling errors.
  • Compare your solutions with provided answers or discuss them with peers to enhance your understanding.
Create a blog post about your experience using FluentValidation
Creating a blog post will allow you to reflect on your learning and share your knowledge with others.
Show steps
  • Write about the challenges you faced while using FluentValidation.
  • Share your tips and tricks for using FluentValidation effectively.
  • Publish your blog post online.
Build a project using FluentValidation
Working on a project will help you apply your skills and knowledge of FluentValidation in a real-world setting.
Show steps
  • Choose a project idea that interests you.
  • Design and implement the project using FluentValidation.
  • Test and debug your project.
Mentor other students who are learning about FluentValidation
Mentoring others will help you solidify your understanding of FluentValidation.
Show steps
Participate in a coding competition that uses FluentValidation
Participating in a coding competition will help you test your skills and knowledge of FluentValidation.
Show steps
  • Find a coding competition that uses FluentValidation.
  • Practice using FluentValidation.
  • Participate in the coding competition.

Career center

Learners who complete FluentValidation Fundamentals will develop knowledge and skills that may be useful to these careers:
Software Architect
Software Architects are responsible for designing and developing the architecture of software systems. They work with a team of engineers and developers to create and improve software products. Software Architects must have a strong understanding of software architecture principles and practices, as well as a solid foundation in computer science and mathematics.
Computer Scientist
Computer Scientists are responsible for the design and development of computer systems. They work with a team of engineers and developers to create and improve computer products. Computer Scientists must have a strong understanding of computer science principles and practices, as well as a solid foundation in mathematics.
Software Development Manager
Software Development Managers are responsible for leading and managing software development teams. They work with a team of engineers and developers to create and improve software products. Software Development Managers must have a strong understanding of software development principles and practices, as well as a solid foundation in business and computer science.
Data Scientist
Data Scientists are responsible for collecting, cleaning, and analyzing data to identify trends and patterns. They use their findings to make recommendations and improve decision-making. Data Scientists must have a strong understanding of statistics, mathematics, and data analysis tools and techniques.
Quality Assurance Analyst
Quality Assurance Analysts are responsible for testing and evaluating software and web applications to ensure that they meet quality standards. They work with a team of engineers and developers to identify and fix defects. Quality Assurance Analysts must have a strong understanding of software testing techniques and tools, as well as a solid foundation in computer science and mathematics. The course, FluentValidation Fundamentals, may be useful for aspiring or current Quality Assurance Analysts who are interested in learning more about validation techniques. This course will help to build a foundation in validation techniques, which are essential for ensuring the quality and reliability of software and web applications. Quality Assurance Analysts who take this course will learn how to use the FluentValidation library to perform validation in ASP.NET Core applications, which will help them to write more robust and reliable test cases.
Machine Learning Engineer
Machine Learning Engineers are responsible for developing and deploying machine learning models. They work with a team of engineers and developers to create and improve machine learning products. Machine Learning Engineers must have a strong understanding of machine learning principles and practices, as well as a solid foundation in computer science and mathematics.
Web Developer
Web Developers are responsible for the design, development, and maintenance of websites and web applications. They work with a team of designers and engineers to create and improve web-based products. Web Developers must have a strong understanding of HTML, CSS, and JavaScript, as well as a solid foundation in web development frameworks and technologies. The course, FluentValidation Fundamentals, may be useful for aspiring or current Web Developers who are interested in learning more about validation techniques. This course will help to build a foundation in validation techniques, which are essential for ensuring the quality and reliability of web applications. Web Developers who take this course will learn how to use the FluentValidation library to perform validation in ASP.NET Core applications, which will help them to write more robust and reliable web applications.
Software Engineer
A Software Engineer is responsible for the design, development, and maintenance of software systems. They may work on a team of engineers, or individually, to create and improve software products. Software Engineers must have a strong understanding of programming languages, as well as a solid foundation in mathematics and computer science. The course, FluentValidation Fundamentals, may be useful for aspiring or current Software Engineers. This course can help to build a foundation in validation techniques, which are essential for ensuring the quality and reliability of software applications. Software Engineers who take this course will learn how to use the FluentValidation library to perform validation in ASP.NET Core applications, which will help them to write more robust and reliable code.
Data Analyst
Data Analysts are responsible for collecting, cleaning, and analyzing data to identify trends and patterns. They use their findings to make recommendations and improve decision-making. Data Analysts must have a strong understanding of statistics, mathematics, and data analysis tools and techniques. The course, FluentValidation Fundamentals, may be useful for aspiring or current Data Analysts who are interested in learning more about validation techniques. This course will help to build a foundation in validation techniques, which are essential for ensuring the quality and reliability of data analysis. Data Analysts who take this course will learn how to use the FluentValidation library to perform validation in ASP.NET Core applications, which will help them to write more robust and reliable data analysis applications.
Information Security Analyst
Information Security Analysts are responsible for protecting an organization's information systems from unauthorized access, use, disclosure, disruption, modification, or destruction. They work with a team of security professionals to develop and implement security measures. Information Security Analysts must have a strong understanding of information security principles and practices, as well as a solid foundation in computer science and mathematics.
Database Administrator
Database Administrators are responsible for the design, development, and maintenance of databases. They work with a team of engineers and developers to create and improve database systems. Database Administrators must have a strong understanding of database management systems, as well as a solid foundation in computer science and mathematics.
Technical Writer
Technical Writers are responsible for creating and managing technical documentation. They work with a team of engineers, developers, and other professionals to create and improve technical documentation. Technical Writers must have a strong understanding of technical writing principles and practices, as well as a solid foundation in computer science and mathematics.
Project Manager
Project Managers are responsible for planning, organizing, and executing projects. They work with a team of engineers, developers, and other professionals to bring projects to completion. Project Managers must have a strong understanding of project management principles and practices, as well as a solid foundation in business and computer science.
Business Analyst
Business Analysts are responsible for understanding the needs of a business and translating those needs into technical requirements. They work with a team of engineers and developers to create and improve business systems. Business Analysts must have a strong understanding of business analysis techniques, as well as a solid foundation in computer science and mathematics.

Reading list

We've selected nine books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in FluentValidation Fundamentals.
Classic in the field of software design, and it provides a deep understanding of domain-driven design, which is essential for building complex applications.
Provides a comprehensive overview of designing data-intensive applications, which is essential for building applications that can handle large amounts of data.
Provides a comprehensive overview of the art of scalability, which is essential for building applications that can handle large amounts of traffic.
Provides a collection of patterns for designing RESTful APIs, which is essential for building applications that are easy to use and maintain.
Covers the fundamentals of ASP.NET Core, including input validation, which key topic in this course.
Provides a collection of patterns for designing and implementing microservices, which is essential for building applications that are scalable and resilient.
Provides a comprehensive overview of C# 8 and .NET Core 3, including a chapter on input validation.

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