How to Implement Validation in WPF? | WPF Interview Question Explained

In this video, we cover the crucial WPF interview question: How do you implement validation in WPF? Validation is an essential part of any user interface, ensuring that the data entered meets specific criteria before it is processed. We’ll discuss various techniques for validation in WPF, including IDataErrorInfo, ValidationRules, and the MVVM approach to data validation.

🔹 Topics Covered:

How validation works in WPF
Using IDataErrorInfo and INotifyDataErrorInfo
Implementing custom ValidationRules
MVVM-based validation techniques
Real-world examples of input validation
Whether you're preparing for an interview or looking to enhance your WPF application's reliability, this video will guide you through the key methods of implementing validation.

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