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, ...

I hope I can explain this clearly. I've got a user control that is dynamically loaded into an ASPX page. The control has validators on it that verify various fields. When the submit button is clicked, ...

Microsoft released .NET 10 RC 1 with a go-live license (production supported through Oct. 14, 2025), highlighting updates ...

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