Here's how to integrate the ASP.NET CustomValidator control with client-side code to create a page that uses Ajax and server-side code to validate data at the browser. In a comment to a tip in our ...
Take advantage of automatic model state validation in ASP.Net Core to avoid tedious manual coding for HTML form validation When we create applications that accept data from users, we must validate ...
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, ...
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 ...
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