MVC: Action Methods with Parameters

Please see my other MVC articles. Passing arguments to action methods. It’s often necessary when calling an action method to pass to it variables necessary for business logic. In this article, I will illustrate one method that is similar to the Web Forms programming model of using the question mark + equals sign convention (?VariableName=Value).…

MVC: Action Methods using GET & POST

Please see my other MVC articles. Enabling specific actions for GET and POST calls. MVC provided an elegant method to specify actions based on the type of call used by the webpage – GET (default) Http verb or POST Http verb. To illustrate this ability, I’ll begin where my Form Validation article left off with…

Knockout: Updating the ViewModel

Please see my other JavaScript articles. Using Knockout.js to dynamically bind events to fields. In most web applications, the user drives the business process being invoked. Therefore, it’s necessary to allow them to “fire” events in order to provide the desired functionality. To illustrate how to integrate an event, I will begin where my last…

Knockout: Input fields

Please see my other JavaScript articles. Using knockout.js to dynamically reflect changes to input fields. As described on the Knockout.js website, it provides impressive features such as: Declarative Binding, Automatic UI Refresh, Dependency Tracking, and Templating. In this article, I will illustrate Declarative Binding and Automatic UI Refresh using some basic input fields. First, I’ll…

Knockout: Edit fields

Please see my other JavaScript articles. Using knockout.js to dynamically reflect changes to edit fields. Continuing from my last Knockout.js: Input fields article where I illustrated basic binding, I will now show how to enable editable fields to be bound as well. I’ll begin with the HTML from the last article where I have the…

Knockout: Computed fields

Please see my other JavaScript articles. Using Knockout.js to dynamically aggregate fields. Many times when working on the presentation layer of an application the need arises to present a value which is the result of aggregating the values of two or more fields. In this article I will illustrated how to combine the values from…

JQuery: Date Input

Please see my other JavaScript articles. Ensuring valid dates are received. When users complete online forms, it’s critical to ensure values received are valid both in format and type. JQuery provide the ability to present the user with an input control that mimics a standard textbox control, but forces him/her to select their date using…

JavaScript: Toggling RadioButton Choices

Please see my other JavaScript articles. Using JavaScript to dynamically change selections. In this example I will illustrate how to dynamically hide/show radiobutton choices based on the user selection. I’ll begin with a few simple asp.net radiobuttonlist controls. As you can see, the HTML generated by the asp.net control is quite extensive and potentially confusing.…

JavaScript: Scroll User

Please see my other JavaScript articles. Use JavaScript to dynamically move the user’s position on a web page. Due to business requirements within a page, sometimes users might be confused based on the activity they experience. For example, if a page allows the user to perform an action which affects the page, but below where…

JavaScript: Get RadioButtonList Selection

Please see my other JavaScript articles. Using JavaScript to determine selections. First, I’ll begin with a simple asp.net radiobuttonlist control. Though the asp.net control is itself simple to deploy and use with C#, the html that’s rendered is anything but simple. You may overcome the difficulty of determining which radiobutton in the list is selected…