Is there a way to create an autocomplete textbox in ASP while querying the database for data? I'm not sure how to explain it fully, sorry if I'm lacking details. I'm hesitant to use AJAX due to potential compatibility issues with my existing application. Could JavaScript be used instead, or is there a .NET solution? I'm working with C# in the codebehind. Thanks.
It might require a considerable amount of work to implement autocomplete without relying on third-party tools. If you're hesitant about using ajax, perhaps you could explore utilizing the ASP.NET AJAX autocomplete control. You can configure the ServiceMethod property to call a static Page Method in your code-behind, keeping everything within your page.
The Page Method would be responsible for querying your database and returning an array of results as strings.
If you opt for this approach, make sure to enable the EnablePageMethods property in the <asp:ScriptManager> control.
Using the XMLHttpRequest object, AJAX is essentially JavaScript for making asynchronous requests. For more information on this topic and its relation to ASP.NET, you can read an article here.
To delve deeper into understanding AJAX (Asynchronous JavaScript and XML), a good starting point can be visiting Wikipedia. There are also numerous books available - one recommendation being Programming ASP.NET AJAX by Christian Wenz published by O'Reilly And Associates.
For those who prefer not to utilize an ajax library, experimenting with jQuery might be worth considering.
There are numerous autocomplete plugins or textbox suggestions available for jQuery. One option to explore is found at the following link:
The ASP.NET AJAX system is designed to function with ASP.NET 2.0 and higher, making it incompatible with the Visual Studio 2003 environment.
Anthem.NET serves as a versatile AJAX toolkit/framework for ASP.NET development, catering to both ASP.NET 1.1 and 2.0 platforms - http://sourceforge.net/projects/anthem-dot-net
If you have an autocomplete need, consider utilizing the jQuery Autocomplete Plugin
This plugin involves minimal coding efforts. Take a look at the demonstration & sample code here - http://docs.jquery.com/Plugins/Autocomplete
By using its autocomplete() method along with a URL or array input, you can populate your autocompletion list. Simply provide the URL of the page that retrieves data from the database.
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