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In my last post regarding an Angular2 Multiselect dropdown, I showed how to integrate form validation. One of the last UI interaction pieces is handling clicks outside of the component. This is necessary to close the dropdown when, for example, a user clicks the document body.

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It’s been a while, but I had some time today to work a bit more on my Angular2 multiselect implementation. The next aspect that I wanted to implement is validation.

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Recently I posted about a method I use in JavaScript (Angular specifically) to transform posted Date objects to transmit the local DateTime. It’s a simple method that uses JavaScript’s “toLocaleString” method while intercepting POST requests. Everything worked fine except when IE11 was introduced into the equation.

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As of late, I’ve really been getting more and more into Angular2. For me, the important aspects are learning how to do what I’ve done with v1.x in the newer framework. This involves a great deal of understanding of the difference between v1.x and v2.x. Since one of my most popular Angular 1.x directives is the Multiselect Dropdown w/ Checkboxes, I decided to tackle converting it in incremental steps. From the top, the first piece of significant functionality is filtering the list of items.

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In my previous post, I put together a little demo showing how to detect if capslock is depressed and how to warn the user. To make this a bit more useful and reusable, I rolled it into an Angular 1.x directive.

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Angular provides some handy mechanisms for dealing with browser history. With these mechanisms it’s straight-forward to handle URL changes through direct user interaction or the browser back/forward buttons.

Typically, when entering an Angular app, you’ll have an abstract route defined and then use the $urlRouterProvider to define a default route. Well, when I say “you,” I should qualify that to say that this is how I typically define states with ui-router.

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Using the .NET Core Middleware for request processing is, imho, not very well documented. There are a couple of things that are not obvious: retrieving query parameters and binding a request body to an object. To top things off, accessing the request Body has a few issues. Here’s how to deal with these scenarios.

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