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Data Annotations: Model validation in ASP.NET Core C#

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Data Annotations in C# are used as validators in an ASP.NET Core Web API controller for model validation.
We'll show you how to add a validator as an attribute to a property in the model. It can then be used with the ModelState instance for an action in a controller.
In-addition, .NET provides the ability to create a custom validator. We'll show you how to code one in C# and how to apply it to an existing model.
Finally, we'll show you the difference between using Data Annotations in MVC against an API controller which is used with Web API.
💻 Download the code example for this demo 💻
📖 Learn .NET and C# with our online courses 📖
► More information:
► Chapters
0:00 Data Annotations for model validation
0:22 Learn with .NET online courses
0:31 Default Data Annotation validators
2:44 Custom Data Annotation validator
4:49 Download the code sample
#dataannotation #webapi #dotnet
We'll show you how to add a validator as an attribute to a property in the model. It can then be used with the ModelState instance for an action in a controller.
In-addition, .NET provides the ability to create a custom validator. We'll show you how to code one in C# and how to apply it to an existing model.
Finally, we'll show you the difference between using Data Annotations in MVC against an API controller which is used with Web API.
💻 Download the code example for this demo 💻
📖 Learn .NET and C# with our online courses 📖
► More information:
► Chapters
0:00 Data Annotations for model validation
0:22 Learn with .NET online courses
0:31 Default Data Annotation validators
2:44 Custom Data Annotation validator
4:49 Download the code sample
#dataannotation #webapi #dotnet
Data Annotations: Model validation in ASP.NET Core C#
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