When working with applications in ASP.NET Core 6 you will often want to validate your models to ensure that the data they contain conform to the pre-defined validation rules. Enter model validation.

Take advantage of the FluentValidation open-source library to validate data in your ASP.NET Core application and keep your code clean, organized, and maintainable. To preserve the integrity, ...

SO I have a data driven page which has both add and edit elements, which have their own validation controls. <BR><BR>What is a good strategy or technique(or is there some master control I'm missing, ...

I didn't know this until my fellow instructor at Learning Tree (and author of Learning Tree's ASP.NET Web Forms course), Kevin Rattan, pointed it out to me: when you trigger validation at the server ...

The goal of the IClientValidatable interface is to let you extend your server-side DataAnnotations with client-side functions in ASP.NET MVC 3. For instance, a Data Annotation that ensured that a ...

I did a quick search in the forums and didnt notice anyone asking this specific question. Sorry if it was asked before. I want to know if it's possible to refer to placeholder controls using variable ...