![]() I have created a Codeplex project for it so if you are interested just go there and download the control and a Demo Web site. So, I have spent a few days coding the control and finally it's out there. Many of the hassles of JavaScript client coding such as cross-browser compatibility, event handling, asynchronous calls are taken care of by ASP.NET AJAX framework.JavaScript per se is very well structured, easy to read and debug.You develop JavaScript code in a standalone file leveraging ASP.NET AJAX framework and Visual Studio intellisense abilities.No need to manually inject JavaScript, HTML and other resources.You use ASP.NET page mark-up to render the control content to the browser.Now, what are the advantages of implementing a client control as an ASP.NET AJAX extender? After some considerations I've decided to go even further and build an AJAX Control Toolkit Extender control.Īs an example I took an AJAX Control Toolkit Calendar extender and in my Color Picker extender control I also internally used another AJAX Control Toolkit control: Popup extender. So, I have researched what other color picker controls do and decided to write the one myself that I would base on Microsoft AJAX. NET Extender control - easy to use and based on a solid and proven platform. I have found plenty of pure JavaScript controls written with various levels of proficiency and there was even one ASP.NET color-picker control that I almost liked but still my major requirement was not satisfied: I was looking for AJAX. Server-Side API of the ColorPicker for ASP.I was looking for a client-side color picker control and found it extremely difficult to find something that would satisfy to my requirements.Using the API of the ColorPicker for ASP.NET Core (Demo).Sample code with the ColorPicker TagHelperĬustomizing the Appearance of the ColorPicker.Sample code with the ColorPicker HtmlHelper.You can continue experimenting with the code sample above by running it in the Telerik REPL server playground: ĬolorPickerReference.toggle() // Toggle the popup of the component. Toggle the popup of the component by using the toggle() client-side method. Var colorPickerReference = $("#colorPicker").data("kendoColorPicker") // colorPickerReference is a reference to the existing ColorPicker instance of the helper. ![]() Name() ( id attribute) of the component instance to get a reference. You can reference the ColorPicker instances that you have created and build on top of their existing configuration: (Optional) Reference Existing ColorPicker Instances $("#background").css("background-color", e.value) ħ. The following example will configure the gradient and palette view types whilst providing a default view as the primary source of coloring. The next step is to explicitly declare the Views configuration. The Name() configuration method is mandatory as its value is used for the id and the name attributes of the ColorPicker element. Use the ColorPicker HtmlHelper or TagHelper to add the component to a page. ![]() Optionally, you can structure the document by adding the desired HTML elements like headings, divs, and paragraphs. To use the Telerik UI for ASP.NET Core TagHelpers: *, Kendo.Mvc To use the Telerik UI for ASP.NET Core HtmlHelpers: The first step is to add the required directives at the top of the. Manually configuring an existing project as described in the First Steps on Windows or First Steps on Mac articles. You can prepare a Visual Studio project by following either of these guides:Ĭreating a new pre-configured project for the Telerik UI for ASP.NET Core components from a project template. You can use the Telerik REPL playground and skip installing the components on your system and configuring a project. To successfully complete the tutorial, you need a project that is already configured to use the Telerik UI for ASP.NET Core components: Finally, you will learn how to handle the events of the ColorPicker in order to color an arbitrary container. You will initialize a ColorPicker component with predefined gradient and palette view types, and then change its appearance. This tutorial explains how to set up a basic Telerik UI for ASP.NET Core ColorPicker and highlights the major steps in the configuration of the component. Download free 30-day trial Getting Started with the ColorPicker
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