Fluent Validation in C The Powerful Yet Easy Data Validation Tool











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Full courses: https://www.iamtimcorey.com/ • Patreon:   / iamtimcorey   • Newsletter signup: https://signup.iamtimcorey.com/ • Data validation is extremely important. The problem is that it can create a lot of excess code. Plus you end up in the position of having similar validation code throughout your application, violating the DRY principle. In this video, I am going to introduce you to Fluent Validation, a free tool to help make your validation clean, easy to create, and easy to maintain. As a bonus, it even works on models that you don't own and cannot change. • 0:00 - Intro • 1:00 - Demo application walk-through • 2:56 - User input validation • 6:04 - Where to put data validation • 7:07 - Fluent Validation: adding a reference • 9:19 - Implementing Fluent Validation • 18:23 - More rules for validation: String length • 20:00 - Validation custom error messages • 22:28 - Cascading validation errors • 23:29 - Input validation: allowed characters • 28:44 - Fluent Validation built-in variable names: updating error messages • 34:08 - CascadeMode scope • 35:49 - DateTime validation • 40:41 - Recap and concluding remarks

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