Depending on whether you want the user to be able to type text in the input or not, you can choose to use RadComboBox either as a simple dropdown list or a full-featured combobox control. In simple scenarios where you don’t need the vast amount of features of RadComboBox, we recommend that you use our more lightweight and better performing DropDownList control.
For enhanced user experience, leverage one of the options for loading items on demand:
The key gains of using load on demand are loading items on portions, allowing users to scroll to the bottom of the item list without waiting for all of the items to load (Virtual Scrolling), and items caching. All of this results in better responsiveness of your app.
Turn on AutoComplete to enable RadComboBox to autocomplete the text entered by the user to the first matching item and open a drop down with suggested results. Set a maximum result or a minimum characters typed count to enhance the search experience.
If autocomplete is the main functionality you are looking for, and especially if you’d like to have tokens in addition to the text, check out our more lightweight and better-performing AutoCompleteBox control which was specifically designed for this purpose.
Telerik ComboBox for ASP.NET AJAX fully supports overlay, which enables the control dropdown to appear above other elements on the page, including flash objects.
Depending on your scenario, switch between three rendering modes: Classic, Lightweight and Native. Classic rendering ensures the control looks identical in all browsers, but delivers more HTML to the browser. Lightweight rendering leverages HTML5 and CSS3 to deliver less HTML to the browser, but causes the control to lose its rounded corners and gradients in non-modern browsers. The Native rendering allows you to render RadComboBox as a standard select HTML element on mobile devices, so it has the native mobile behavior.
Featuring hierarchical data in a dropdown is also a commonly used scenario, which due to customer demand, led to the creation of a control specifically designed for this purpose: DropDownTree.
To modify the look of Telerik ASP.NET ComboBox, define templates on the server or the client. You can customize each part of the drop down: the items, the header and the footer. You can use the item templates to create a multi-column ComboBox.
Use a single property to apply any of the 20 ready-to-use built-in themes, including an innovative mobile skin, to create a consistent look for your apps and save design and front-end development time. You can easily customize our existing skins or create your own with our Visual Style Builder.
Why should you build a mobile version of your application when the same app can work equally well on mobile and desktop devices? Telerik ASP.NET ComboBox makes this possible by handling touch events in the same manner as those triggered by a keyboard or a mouse. In addition, the control comes with a mobile skin specially designed for a better user experience on touch devices.
RadComboBox allows your users to use the keyboard for almost any action they can trigger with the mouse, including navigating items, selecting single and multiple items, etc. Specify which keys should be used for each action and get full control over the keyboard navigation experience.
When using the control in your apps, rest assured it behaves as expected and has a consistent look and feel in all major browsers.
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