Description: A validation attribute in C# is a feature that allows specifying validation rules for the properties of a class. These attributes are part of the ‘System.ComponentModel.DataAnnotations’ namespace and are commonly used in applications that require data validation. By applying a validation attribute to a property, specific criteria can be defined that the data must meet before being considered valid. For example, restrictions can be set such as a field cannot be empty, a number must be within a specific range, or an email format must be correct. These attributes not only improve data quality but also facilitate the implementation of validation logic in a declarative manner, making the code cleaner and easier to maintain. Additionally, validation attributes can be used in conjunction with other C# features, such as reflection, to create more dynamic and robust solutions in data management.
