For my current client we’re building a component based platform as a common feature hub for serveral large EPiServer websites. For this, we have stripped away the default Razor based rendering that is normally used for the view and edit modes, and...

I saw this JavaScript error earlier this week, and thought I’d write a few lines about it. It appears as you try to submit a form created with the EPiServer Forms functionality, that likely has custom validators on some of it’s fields. As EPiServe...

When you’re developing custom EPiServer Forms field blocks you sometimes need to add your own custom validation as well. In this article you’ll see an example of how to add client side validation for the Luhn algorithm in a custom textfield block....

When you’re adding custom EPiServer Forms field blocks to your solution, you occasionally have the need for adding custom validation as well. Here is a sample of how to add a custom server side validation to your textfield block; you will probably...

There may arise situations where your custom EPiServer Forms field blocks make no sense without your custom validation code being applied as the website visitor submits the form. In these cases it may be useful to help the web editor by preventing...