Tag Archives: CustomValidator

Add text to asp:ValidationSummary (C#)

Posted on July 4, 2014 by

This trick is especially useful when you have custom code to be executed after your form have been submitted, and still wishes to communicate an error the same way as you communicate form validation errors. Imagine the following ValidationSummary: Any … Continue reading →

Posted in c#, General .NET | Tagged , , , | 1 Comment

Validate CheckBoxList using a CustomValidator

Posted on August 16, 2012 by

In this article I explain how you can validate that at least one checkbox is checked in an asp:CheckBoxList using an asp:CustomValidator, and how to make it work server side and client side. None of the built in .net validators … Continue reading →

Posted in .net, c#, General .NET | Tagged , , , , , , , , | 6 Comments