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, ...

Your users will make mistakes ... but it would be a mistake to treat all their errors the same way. You can get more out of ASP.NET MVC's validation infrastructure just by paying attention to how you ...

<asp:TextBox ID="tbFirstName" runat="server" CausesValidation="true" style="width: 50%;" /> <asp:RequiredFieldValidator ID="rfvFirstName" runat="server ...

If you're worried about CSRF (Cross-Site Request Forgery) attacks (and you probably should be), then you've already added the code to your Views that adds an anti-forgery token to the data that the ...