What does ModelState remove do?Ĭlear() is required to display back your model object.

IsValid property and if the Model is valid then the value of the Name property is set in a ViewBag object. The state of the submitted Model is checked using ModelState. This action method handles the POST operation and when the form is submitted, the object of the PersonModel class is sent to this method. data … How do I know if my ModelState IsValid? data-val-required ), the value of which will be the error message presented to the user (e.g. It turns out that to enable client side validation without using the HtmlHelpers and a model you just have to add an input with data-val=”true” and then data-val- followed by validation method that you want to apply (e.g. What is data Val attribute?ĭata-val=”true” : enable unobtrusive validation on this element (should be on every input element you want to validate) data-val-required=”ErrMsg” : makes the input required, and shows the ErrMsg. These unobtrusive validation libraries need to be added:.

Unobtrusive Validation means without writing a lot of validation code, you can perform simple client-side validation by adding the suitable attributes and including the suitable script files. Traditional MVC and Razor Pages is all about rendering HTML server-side - any client-side interactivity has to be added with JavaScript. The important point in here is that Blazor is for building client-side interactivity. It provides a way to bring namespaces into scope within Razor components placed in the same folder as the file, or any sub folders. cshtml file executes before the rendering of each view.Ĭshtml works within a Razor Pages application except that it only affects Blazor artefacts. Rendering layout page from ActionResult (using Controller.How do I render multiple views based on condition?īased on some condition I want to render the layout page. Html….cshtml will be like the following:īlazor is an alternative to MVC and Razor Pages but with a twist: It’s a single page app framework (SPA) that just happens to use C# instead of JavaScript. Rendering Partial View: We can render a partial view using one of the following 4: Html. 14 What is scaffolding templates in MVC?.13 How can you create a scaffold template in MVC?.11 How can we remove the default view engine?.

9 How do I know if my ModelState IsValid?.

4 Can I use razor components in Cshtml?.

3 How do I render multiple views based on condition?.

1 How do I render a partial view in razor?.

What does render and replace do